Jeremy Werdell is an Oceanographer in the Ocean Ecology Laboratory (OEL) at NASA Goddard Space Flight Center (GSFC) and the Project Scientist for the upcoming PACE mission. He received his Bachelors of Arts in Biology and in Environmental Science from the University of Virginia in 1996, his Masters of Science in Oceanography from the University of Connecticut in 1998, and his Doctor of Philosophy from the University of Maine in 2014. Jeremy has worked in the OEL Ocean Biology Processing Group since 1999, where he now serves as a senior leader of several tasks, and has served as the PACE Project Scientist since 2015. Jeremy currently oversees the SeaWiFS Bio-optical Archive and Storage System (SeaBASS), NASA bio-Optical Marine Algorithm Data set (NOMAD), and OEL in-water bio-optical algorithm development efforts. His research interests extend to the on-orbit calibration of ocean color satellite instruments, the validation of remotely-sensed data products, the collection and analysis of in situ biogeochemical oceanographic measurements, and the assimilation of the above to study how the global ocean and various regional ecosystems are changing with time. When time permits, Jeremy moonlights as a teacher and student mentor (and wannabe chef). He has led several internationally attended workshops on bio-optical algorithm development and helped instruct undergraduate and graduate-level courses on ocean optics and biology.
Refereed
Bisson, K. M., E. Boss, P. J. Werdell, A. Ibrahim, and M. J. Behrenfeld. 2020. "Particulate backscattering in the global ocean: A comparison of independent assessments."
Geophysical Research Letters,
[10.1029/2020gl090909]
Vandermeulen, R. A., A. Mannino, S. E. Craig, and P. J. Werdell. 2020. "150 shades of green: Using the full spectrum of remote sensing reflectance to elucidate color shifts in the ocean."
Remote Sensing of Environment,
247:
111900
[https://doi.org/10.1016/j.rse.2020.111900]
Lange, P. K., P. Jeremy Werdell, Z. K. Erickson, et al. 2020. "Radiometric approach for the detection of picophytoplankton assemblages across oceanic fronts."
Optics Express,
28
(18):
25682
[10.1364/oe.398127]
Erickson, Z. K., P. J. Werdell, and I. Cetinić. 2020. "Bayesian retrieval of optically relevant properties from hyperspectral water-leaving reflectances."
Applied Optics,
59
(23):
6902
[10.1364/ao.398043]
Gao, M., P.-W. Zhai, B. A. Franz, et al. 2020. "Inversion of multiangular polarimetric measurements from the ACEPOL campaign: an application of improving aerosol property and hyperspectral ocean color retrievals."
Atmospheric Measurement Techniques,
13:
3939–3956
[10.5194/amt-13-3939-2020]
Mukherjee, L., P.-W. Zhai, M. Gao, et al. 2020. "Neural Network Reflectance Prediction Model for Both Open Ocean and Coastal Waters."
Remote Sensing,
12
(9):
1421
[10.3390/rs12091421]
Mishra, S., R. P. Stumpf, B. A. Schaeffer, et al. 2019. "Measurement of Cyanobacterial Bloom Magnitude using Satellite Remote Sensing."
Scientific Reports,
9
(1):
18310
[10.1038/s41598-019-54453-y]
Schollaert Uz, S., G. E. Kim, A. Mannino, P. J. Werdell, and M. Tzortziou. 2019. "Developing a Community of Practice for Applied Uses of Future PACE Data to Address Marine Food Security Challenges."
Frontiers in Earth Science,
7:
[10.3389/feart.2019.00283]
Sathyendranath, S., R. Brewin, C. Brockmann, et al. 2019. "An Ocean-Colour Time Series for Use in Climate Studies: The Experience of the Ocean-Colour Climate Change Initiative (OC-CCI)."
Sensors,
19
(19):
4285
[10.3390/s19194285]
Scott, J. P., and P. J. Werdell. 2019. "Comparing level-2 and level-3 satellite ocean color retrieval validation methodologies."
Optics Express,
27
(21):
30140
[Full Text (Link)]
[10.1364/oe.27.030140]
O'Reilly, J. E., and P. J. Werdell. 2019. "Chlorophyll algorithms for ocean color sensors - OC4, OC5 & OC6."
Remote Sensing of Environment,
229:
32-47
[10.1016/j.rse.2019.04.021]
Gao, M., P.-W. Zhai, B. A. Franz, et al. 2019. "Inversion of multi-angular polarimetric measurements over open and coastal ocean waters: a joint retrieval algorithm for aerosol and water leaving radiance properties."
Atmospheric Measurement Techniques,
12
(7):
3921–3941
[10.5194/amt-12-3921-2019]
Valente, A., S. Sathyendranath, V. Brotas, et al. 2019. "A compilation of global bio-optical in situ data for ocean-colour satellite applications – version two."
Earth System Science Data,
11
(3):
1037-1068
[10.5194/essd-11-1037-2019]
McKinna, L. I., I. Cetinic, A. Chase, and J. Werdell. 2019. "Approach for propagating radiometric data uncertainties through NASA ocean color algorithms."
Frontiers in Earth Science,
[10.3389/feart.2019.00176]
Jamet, C., A. Ibrahim, Z. Ahmad, et al. 2019. "Going Beyond Standard Ocean Color Observations: Lidar and Polarimetry."
Frontiers in Marine Science,
6:
[10.3389/fmars.2019.00251]
Werdell, P. J., M. J. Behrenfeld, P. S. Bontempi, et al. 2019. "The Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) mission: Status, science, advances."
Bulletin of the American Meteorological Society,
100
(9):
1775–1794
[10.1175/bams-d-18-0056.1]
Werdell, P. J., and C. R. McClain. 2019. "Satellite Remote Sensing: Ocean Color."
Encyclopedia of Ocean Sciences (Third Edition),
5:
443-455
[10.1016/B978-0-12-409548-9.10817-6]
Werdell, P. J., and L. I. Mckinna. 2019. "Sensitivity of inherent optical properties from ocean reflectance inversion models to satellite instrument wavelength suites."
Frontiers in Earth Science,
7:
[10.3389/feart.2019.00054]
Hu, C., L. Feng, Z. Lee, et al. 2019. "Improving Satellite Global Chlorophyll a Data Products Through Algorithm Refinement and Data Recovery."
Journal of Geophysical Research: Oceans,
124
(3):
1524-1543
[10.1029/2019jc014941]
McKinna, L. I., and P. J. Werdell. 2018. "Approach for identifying optically shallow pixels when processing ocean-color imagery."
Optics Express,
26
(22):
A915
[10.1364/oe.26.00a915]
Schaeffer, B. A., S. W. Bailey, R. N. Conmy, et al. 2018. "Mobile device application for monitoring cyanobacteria harmful algal blooms using Sentinel-3 satellite Ocean and Land Colour Instruments."
Environmental Modelling & Software,
109:
93-103
[10.1016/j.envsoft.2018.08.015]
Zhai, P.-W., E. Boss, B. Franz, P. Werdell, and Y. Hu. 2018. "Radiative Transfer Modeling of Phytoplankton Fluorescence Quenching Processes."
Remote Sensing,
10
(8):
1309
[10.3390/rs10081309]
Gao, M., P.-W. Zhai, B. Franz, et al. 2018. "Retrieval of aerosol properties and water-leaving reflectance from multi-angular polarimetric measurements over coastal waters."
Optics Express,
26
(7):
8968
[10.1364/oe.26.008968]
Seegers, B. N., R. P. Stumpf, B. A. Schaeffer, K. A. Loftin, and P. J. Werdell. 2018. "Performance metrics for the assessment of satellite data products: an ocean color case study."
Optics Express,
26
(6):
7404
[10.1364/oe.26.007404]
Werdell, P. J., L. I. McKinna, E. Boss, et al. 2018. "An overview of approaches and challenges for retrieving marine inherent optical properties from ocean color remote sensing."
Progress in Oceanography,
160:
186–212
[10.1016/j.pocean.2018.01.001]
Clark, J. M., B. A. Schaeffer, J. A. Darling, et al. 2017. "Satellite monitoring of cyanobacterial harmful algal bloom frequency in recreational waters and drinking water sources."
Ecological Indicators,
80:
84-95
[10.1016/j.ecolind.2017.04.046]
Matsuoka, A., E. Boss, M. Babin, et al. 2017. "Pan-Arctic optical characteristics of colored dissolved organic matter: Tracing dissolved organic carbon in changing Arctic waters using satellite ocean color data."
Remote Sensing of Environment,
200:
89-101
[10.1016/j.rse.2017.08.009]
Vandermeulen, R. A., A. Mannino, A. Neeley, J. Werdell, and R. Arnone. 2017. "Determining the optimal spectral sampling frequency and uncertainty thresholds for hyperspectral remote sensing of ocean color."
Optics Express,
25
(16):
A785
[10.1364/oe.25.00a785]
Urquhart, E. A., B. A. Schaeffer, R. P. Stumpf, K. A. Loftin, and P. J. Werdell. 2017. "A method for examining temporal changes in cyanobacterial harmful algal bloom spatial extent using satellite remote sensing."
Harmful Algae,
67:
144-152
[10.1016/j.hal.2017.06.001]
Zhai, P.-W., Y. Hu, D. M. Winker, et al. 2017. "Vector radiative transfer model for coupled atmosphere and ocean systems including inelastic sources in ocean waters."
Optics Express,
25
(8):
A223
[10.1364/oe.25.00a223]
Gerbi, G. P., E. Boss, P. J. Werdell, et al. 2016. "Validation of Ocean Color Remote Sensing Reflectance Using Autonomous Floats."
Journal of Atmospheric and Oceanic Technology,
33
(11):
2331-2352
[10.1175/jtech-d-16-0067.1]
McKinna, L. I., J. Werdell, and C. W. Proctor. 2016. "Implementation of an analytical Raman scattering correction for satellite ocean-color processing."
Opt. Express,
24
(14):
A1123--A1137
[10.1364/OE.24.0A1123]
Valente, A., S. Sathyendranath, V. Brotas, et al. 2016. "A compilation of global bio-optical in situ data for ocean-colour satellite applications."
Earth System Science Data,
8
(1):
235-252
[10.5194/essd-8-235-2016]
Nechad, B., K. Ruddick, T. Schroeder, et al. 2015. "CoastColour Round Robin data sets: a database to evaluate the performance of algorithms for the retrieval of water quality parameters in coastal waters."
Earth System Science Data,
7
(2):
319-348
[10.5194/essd-7-319-2015]
Chaves, J. E., J. Werdell, C. W. Proctor, et al. 2015. "Assessment of ocean color data records from MODIS-Aqua in the western Arctic Ocean."
Deep Sea Research Part II: Topical Studies in Oceanography,
118
(Part A):
32-43
[10.1016/j.dsr2.2015.02.011]
Franz, B. A., M. Behrenfeld, D. Siegel, and P. J. Werdell. 2015. "Global Ocean Phytoplankton [in State of the Climate in 2014] ."
Bulletin of the American Meteorological Society,
96
(7):
S85-S87
[10.1175/2015BAMSStateoftheClimate.1]
Brewin, R. J., S. Sathyendranath, D. Müller, et al. 2015. "The Ocean Colour Climate Change Initiative: III. A round-robin comparison on in-water bio-optical algorithms."
Remote Sensing of Environment,
162:
271-294
[10.1016/j.rse.2013.09.016]
McKinna, L. I., P. Fearns, S. Weeks, et al. 2015. "A semianalytical ocean color inversion algorithm with explicit water column depth and substrate reflectance parameterization."
Journal of Geophysical Research - Oceans,
120
(3):
1741-1770
[10.1002/ 2014JC010224]
Franz, B. A., S. W. Bailey, N. A. Kuring, and J. Werdell. 2015. "Ocean color measurements with the Operational Land Imager on Landsat-8: implementation and evaluation in SeaDAS."
Journal of Applied Remote Sensing,
9
(1):
096070
[10.1117/I.JRS.9.096070]
Thibodeau, P. S., C. S. Roesler, S. L. Drapeau, et al. 2014. "Locating Noctiluca miliaris in the Arabian Sea: An optical proxy approach."
Limnology and Oceanography,
59:
2042-2056
[doi:10.4319/lo.2014.59.6.2042]
Werdell, P. J., C. S. Roesler, and J. I. Goes. 2014. "Discrimination of phytoplankton functional groups using an ocean reflectance inversion model."
Applied Optics,
53
(22):
4833-4849
[10.1364/AO.53.004833]
Franz, B. A., M. J. Behrenfeld, D. A. Siegel, and J. Werdell. 2014. "Global Ocean Phytoplankton [in "State of the Climate in 2013"]."
Bulletin of the American Meteorological Society,
95
(7):
578-580
[10.1175/2014BAMSStateoftheClimate.1]
Franz, B. A., M. J. Behrenfeld, D. A. Siegel, and P. J. Werdell. 2013. "Global Ocean Phytoplankton."
Bulletin of the American Meteorological Society,
State of the Climate:
575-578.
Werdell, P., C. Proctor, E. Boss, T. Leeuw, and M. Ouhssain. 2013. "Underway sampling of marine inherent optical properties on the Tara Oceans expedition as a novel resource for ocean color satellite data product validation."
Methods in Oceanography,
7:
40-51
[10.1016/j.mio.2013.09.001]
Werdell, P. J., B. A. Franz, J. T. Lefler, W. D. Robinson, and E. Boss. 2013. "Retrieving marine inherent optical properties from satellites using temperature and salinity-dependent backscattering by seawater."
Opt. Express,
21
(26):
32,611-32,622
[10.1364/OE.21.032611]
Siegel, D. A., B. Behrenfeld, S. Maritorena, et al. 2013. "Regional to global assessments of phytoplankton dynamics from the SeaWiFS mission."
Remote Sensing of Environment,
135:
77-91
[10.1016/j.rse.2013.03.025]
Werdell, P. J., B. A. Franz, S. W. Bailey, et al. 2013. "Generalized ocean color inversion model for retrieving marine inherent optical properties."
Applied Optics,
52
(10):
2019-2037
[10.1364/AO.52.002019]
Weeks, S., P. Werdell, B. Schaffelke, et al. 2012. "Satellite-Derived Photic Depth on the Great Barrier Reef: Spatio-Temporal Patterns of Water Clarity."
Remote Sensing,
4
(12):
3781-3795
[10.3390/rs4123781]
Salama, M., R. Velde, H. Woerd, et al. 2012. "Technical Note: Calibration and validation of geophysical observation models."
Biogeosciences,
9
(6):
2195–2201
[10.5194/bg-9-2195-2012]
Sauer, M., C. Roesler, P. J. Werdell, and A. Barnard. 2012. "Under the hood of satellite empirical chlorophyll a algorithms: revealing the dependencies of maximum band ratio algorithms on inherent optical properties."
Opt. Express,
20
(19):
20920
[10.1364/OE.20.020920]
Szeto, M., P. Werdell, T. Moore, and J. Campbell. 2011. "Are the world's oceans optically different?"
J. Geophys. Res.,
116:
C00H04
[10.1029/2011JC007230]
Werdell, P. J., B. A. Franz, and S. W. Bailey. 2010. "Evaluation of shortwave infrared atmospheric correction for ocean color remote sensing of Chesapeake Bay."
Remote Sensing of Environment,
114
(10):
2238-2247
[10.1016/j.rse.2010.04.027]
Lee, Z., R. Arnone, C. Hu, P. Werdell, and B. Lubac. 2010. "Uncertainties of optical parameters and their propagations in an analytical ocean color inversion algorithm."
Appl Opt,
49:
369-381.
Ahmad, Z., B. A. Franz, C. R. Mc Clain, et al. 2010. "New aerosol models for the retrieval of aerosol optical thickness and normalized water-leaving radiances from the SeaWiFS and MODIS sensors over coastal regions and open oceans."
Applied Optics,
49
(29):
5545
[10.1364/AO.49.005545]
Bailey, S. W., B. A. Franz, and P. J. Werdell. 2010. "Estimation of near-infrared water-leaving reflectance for satellite ocean color data processing."
Optics Express,
7521-7527:
Werdell, P. J., S. W. Bailey, L. W. Franz, et al. 2009. "Regional and seasonal variability of chlorophyll-a in Chesapeake Bay as observed by SeaWiFS and MODIS-Aqua."
Remote Sensing of Environment,
113
(6):
1319-1330
[10.1016/j.rse.2009.02.012]
Werdell, P. J. 2009. "Global Bio-optical Algorithms for Ocean Color Satellite Applications: Inherent Optical Properties Algorithm Workshop at Ocean Optics XIX; Barga, Italy, 3–4 October 2008."
Eos, Transactions American Geophysical Union,
90
(1):
4
[10.1029/2009EO010005]
Bailey, S. W., S. B. Hooker, A. David, B. A. Franz, and P. J. Werdell. 2008. "Sources and assumptions for the vicarious calibration of ocean color satellite observations."
Applied Optics,
47
(12):
2035
[10.1364/AO.47.002035]
Brown, C., Y. Huot, P. J. Werdell, B. Gentili, and H. Claustre. 2008. "The origin and global distribution of second order variability in satellite ocean color and its potential applications to algorithm development."
Remote Sensing of Environment,
112
(12):
4186-4203
[10.1016/j.rse.2008.06.008]
Werdell, P. J., S. W. Bailey, B. A. Franz, A. Morel, and C. R. Mc Clain. 2007. "On-orbit vicarious calibration of ocean color sensors using an ocean surface reflectance model."
Applied Optics,
46
(23):
5649
[10.1364/AO.46.005649]
Morel, A., Y. Huot, B. Gentili, et al. 2007. "Examining the consistency of products derived from various ocean color sensors in open ocean (Case 1) waters in the prespective of multi-sensor approach."
Remote Sens Environ,
111:
69-88.
Franz, B. A., S. W. Bailey, P. J. Werdell, and C. R. McClain. 2007. "Sensor-independent approach to the vicarious calibration of satellite ocean color radiometry."
Appl Opt,
46
(22):
5068-5082.
Bailey, S. W., and P. J. Werdell. 2006. "A multi-sensor approach for the on-orbit validation of ocean color satellite data products."
Remote Sens Environ,
102:
12-23
[10.1016/j.rse.2006.01.015]
Werdell, J., and S. W. Bailey. 2005. "An improved in-situ bio-optical data set for ocean color algorithm development and satellite data product validation."
Remote Sens Environ,
98:
122-140
[10.1016/j.rse.2005.07.001]
Werdell, P. J., S. W. Bailey, G. Fargion, et al. 2003. "Unique data repository facilitates ocean color satellite validation."
Eos, Transactions American Geophysical Union,
84
(38):
377
[10.1029/2003EO380001]
Frouin, R., B. A. Franz, and P. Werdell. 2003. "The SeaWiFS PAR Product."
NASA/TM 2003--206892, Vol 22,
NASA Goddard Space Flight Center, Greenbelt, Maryland, 46-50.
Werdell, P., and C. S. Roesler. 2003. "Remote assessment of benthic substrate composition in shallow waters using multispectral reflectance."
Limnology and Oceanography,
48
(1, part 2):
557-567.
Eplee, R. E., W. D. Robinson, S. W. Bailey, et al. 2001. "Calibration of SeaWiFS. II. Vicarious techniques."
Applied Optics,
40
(36):
6701-6718
[10.1364/AO.40.006701]
Non-Refereed
Meister, G., J. J. Knuble, W. B. Cook, E. T. Gorman, and P. J. Werdell. 2019. "Calibration plan for the Ocean Color Instrument (OCI) engineering test unit."
Sensors, Systems, and Next-Generation Satellites XXIII
11151:
111511W
[10.1117/12.2550820]
Gorman, E., D. A. Kubalak, P. Deepak, et al. 2019. "The NASA Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) mission: an emerging era of global, hyperspectral Earth system remote sensing."
Sensors, Systems, and Next-Generation Satellites XXIII
11151:
111510G
[10.1117/12.2537146]
Boss, E., C. W. Proctor, P. J. Werdell, et al. 2014. "Remote sensing of IOPs in the Arctic Ocean using the GIOP framework."
Proc. Ocean Optics XXII
Franz, B. A., S. W. Bailey, N. Kuring, and P. J. Werdell. 2014. "Ocean Color Measurements from Landsat-8 OLI using SeaDAS."
Proc. Ocean Optics XXII
Chaves Cedeno, J. E., P. J. Werdell, C. W. Proctor, et al. 2014. "Assessment of ocean color data records from MODIS-Aqua in the western Arctic Ocean."
Proc. Ocean Optics XXII
McKinna, L. I., P. J. Werdell, P. R. Fearns, et al. 2014. "SWIM: a semi-analytical ocean color inversion algorithm for optically shallow waters."
Proc. Ocean Optics XXII
Proctor, C. W., J. T. Lefler, P. J. Werdell, and S. W. Bailey. 2014. "The SeaBASS validation system: redesigned tools and online resources for ocean color satellite match-ups."
Proc. Ocean Optics XXII
Werdell, P. J., C. S. Roesler, and J. I. Goes. 2014. "Remotely searching for Noctiluca miliaris in the Arabian Sea."
Proc. Ocean Optics XXII
Werdell, P. J., C. S. Roesler, and J. I. Goes. 2012. "Sensitivity of ocean reflectance inversion models for identifying and discriminating between phytoplankton functional groups."
Proc. Ocean Optics XXI
Franz, B. A., S. W. Bailey, G. Meister, and P. J. Werdell. 2012. "Quality and Consistency of the NASA Ocean Color Data Record."
Proc. Ocean Optics XXI
Meister, G., C. R. Mc Clain, Z. Ahmad, et al. 2011. "Requirements for an Advanced Ocean Radiometer ."
NASA Tech Memo
37:
Franz, B. A., and P. J. Werdell. 2010. "A Generalized Framework for Modeling of Inherent Optical Properties in Ocean Remote Sensing Applications."
Proc. Ocean Optics XX
Werdell, J., B. A. Franz, S. W. Bailey, L. W. Harding Jr., and G. C. Feldman. 2007. "Approach for the long-term spatial and temporal evaluation of ocean color satelliet data products in a coastal environment."
Proc. SPIE Int. Soc. Opt. Eng
6680:
12 pp
[10.1117/12.732489]
Werdell, P. J., B. A. Franz, S. W. Bailey, and C. R. McClain. 2006. "Recent Advances in the Operational Vicarious Calibration of Visible and Near- infrared Ocean Color Satellite Radiometry."
Proc. Ocean Optics XVIII
Franz, B. A., P. J. Werdell, G. Meister, et al. 2006. "MODIS Land Bands for Ocean Remote Sensing Applications."
Proc. Ocean Optics XVIII
Franz, B. A., P. Werdell, G. Meister, et al. 2005. "The continuity of ocean color measurements from SeaWiFS to MODIS."
Proc SPIE Int Soc Opt Eng
5882:
San Diego, California, 304-316.
Werdell, J., and S. W. Bailey. 2003. "Overview of SeaBASS and MODIS Validation Activity."
NASA/TM-2003
NASA Goddard Space Flight Center, Greenbelt, Maryland, 35-40.
Franz, B. A., F. Patt, R. A. Barnes, et al. 2003. "Algorithm Updates for the Fourth SeaWiFS Data Reprocessing."
NASA/TM 2003-206892
22:
NASA Goddard Space Flight Center, Greenbelt, Maryland, 74 pp.
Fargion, G., B. A. Franz, E. Kwiatkowska, et al. 2003. "SIMBIOS Program in Support of Ocean Color Missions: 1997-2003."
Proc SPIE Int Soc Opt Eng
5155:
San Diego, CA, 49-60.
Fargion, G., B. A. Franz, E. Kwiatkowska, et al. 2003. "SIMBIOS Project Data Processing and Analysis Results."
NASA/TM-2003-211622
NASA Goddard Space Flight Center, Greenbelt, Maryland, 11841.
Eplee, R., R. A. Barnes, S. W. Bailey, and P. J. Werdell. 2003. "Changes to the Vicarious Calibration of SeaWiFS."
NASA/TM 2003-206892, Vol 22
NASA Goddard Space Flight Center, Greenbelt, Maryland, 20-25.
Robinson, W., B. A. Franz, F. Patt, S. W. Bailey, and P. J. Werdell. 2003. "Masks and Flags Updates."
NASA/TM 2003--206892, Vol 22
NASA Goddard Space Flight Center, Greenbelt, Maryland, 34-40.
Mueller, J. L., C. Pietras, S. B. Hooker, et al. 2002. "Ocean Optics Potocols for Satellite Ocean Color Sensor Validation."
NASA Tech Memo 2002-210004, Rev 3, Vol 1
NASA Goddard Space Flight Center, Greenbelt, Maryland, iii-iv.
Werdell, P. J., S. W. Bailey, and G. S. Fargion. 2002. "SeaBASS Data Protocols and Policy."
NASA Tech Memo 2002-210004, Rev 3, Vol 2
NASA Goddard Space Flight Center, Greenbelt, Maryland, 284-287.
Werdell, P., and S. W. Bailey. 2002. "The SeaWiFS Bio-Optical Archive and Storage System (SeaBASS): Current Architecture and Implementation, Introduction."
NASA Tech Memo 2002-211617
NASA Goddard Space Flight Center, Greenbelt, Maryland, 1.
Hsu, N.-Y. C., W. Robinson, S. W. Bailey, and P. Werdell. 2000. "The description of the SeaWiFS absorbing aerosol index."
SeaWiFS NASA Technical Memorandum 2000-206892
10:
3-5.
2/2015
-
Present
PACE Project Scientist
NASA Goddard Space Flight Center,
NASA Goddard Space Flight Center
3/2012
-
Present
Research Oceanographer
NASA Goddard Space Flight Center,
NASA Goddard Space Flight Center
6/1999
-
3/2012
Lead Research Scientist
Science Systems and Applications, Inc.,
On-site contractor at NASA Goddard Space Flight Center
Post-doctoral scholars:
Zachary Erickson (2019-present)
Priscila Lange (2018-2020)
Bridget Seegers (2016-2017)
Lachlan McKinna (2014-2015)
Instructor, "Calibration and Validation for Ocean Color Remote Sensing"
University of Maine Ira C. Darling Marine Center, Walpole, ME
4-week graduate-level course in optical oceanography
2011 to present
Instructor, "Vernon Bermuda Workshop"
Bermuda Institute for Ocean Sciences, St. George's Bermuda
1-week high school-level course in subtropical ecology
2003 to 2019
Adjunct Instructor, "Introduction to Marine Sciences"
Three Rivers Community-Technical College, Norwich, CT
3-credit undergraduate-level course in oceanography
Spring semester 1999
Ph.D., Oceanography, 2014
University of Maine, Orono, ME
M.S., Oceanography, 1998
University of Connecticut, Storrs, CT
B.A., Biology, Environmental Science, 1996
University of Virginia, Charlottesville, VA
Refereed
Bisson, K. M., E. Boss, P. J. Werdell, A. Ibrahim, and M. J. Behrenfeld. 2020. "Particulate backscattering in the global ocean: A comparison of independent assessments."
Geophysical Research Letters
[10.1029/2020gl090909]
Vandermeulen, R. A., A. Mannino, S. E. Craig, and P. J. Werdell. 2020. "150 shades of green: Using the full spectrum of remote sensing reflectance to elucidate color shifts in the ocean."
Remote Sensing of Environment
247
111900
[https://doi.org/10.1016/j.rse.2020.111900]
Lange, P. K., P. Jeremy Werdell, Z. K. Erickson, et al. 2020. "Radiometric approach for the detection of picophytoplankton assemblages across oceanic fronts."
Optics Express
28
(18):
25682
[10.1364/oe.398127]
Erickson, Z. K., P. J. Werdell, and I. Cetinić. 2020. "Bayesian retrieval of optically relevant properties from hyperspectral water-leaving reflectances."
Applied Optics
59
(23):
6902
[10.1364/ao.398043]
Gao, M., P.-W. Zhai, B. A. Franz, et al. 2020. "Inversion of multiangular polarimetric measurements from the ACEPOL campaign: an application of improving aerosol property and hyperspectral ocean color retrievals."
Atmospheric Measurement Techniques
13
3939–3956
[10.5194/amt-13-3939-2020]
Mukherjee, L., P.-W. Zhai, M. Gao, et al. 2020. "Neural Network Reflectance Prediction Model for Both Open Ocean and Coastal Waters."
Remote Sensing
12
(9):
1421
[10.3390/rs12091421]
Mishra, S., R. P. Stumpf, B. A. Schaeffer, et al. 2019. "Measurement of Cyanobacterial Bloom Magnitude using Satellite Remote Sensing."
Scientific Reports
9
(1):
18310
[10.1038/s41598-019-54453-y]
Schollaert Uz, S., G. E. Kim, A. Mannino, P. J. Werdell, and M. Tzortziou. 2019. "Developing a Community of Practice for Applied Uses of Future PACE Data to Address Marine Food Security Challenges."
Frontiers in Earth Science
7
[10.3389/feart.2019.00283]
Sathyendranath, S., R. Brewin, C. Brockmann, et al. 2019. "An Ocean-Colour Time Series for Use in Climate Studies: The Experience of the Ocean-Colour Climate Change Initiative (OC-CCI)."
Sensors
19
(19):
4285
[10.3390/s19194285]
Scott, J. P., and P. J. Werdell. 2019. "Comparing level-2 and level-3 satellite ocean color retrieval validation methodologies."
Optics Express
27
(21):
30140
[Full Text (Link)]
[10.1364/oe.27.030140]
O'Reilly, J. E., and P. J. Werdell. 2019. "Chlorophyll algorithms for ocean color sensors - OC4, OC5 & OC6."
Remote Sensing of Environment
229
32-47
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Gao, M., P.-W. Zhai, B. A. Franz, et al. 2019. "Inversion of multi-angular polarimetric measurements over open and coastal ocean waters: a joint retrieval algorithm for aerosol and water leaving radiance properties."
Atmospheric Measurement Techniques
12
(7):
3921–3941
[10.5194/amt-12-3921-2019]
Valente, A., S. Sathyendranath, V. Brotas, et al. 2019. "A compilation of global bio-optical in situ data for ocean-colour satellite applications – version two."
Earth System Science Data
11
(3):
1037-1068
[10.5194/essd-11-1037-2019]
McKinna, L. I., I. Cetinic, A. Chase, and J. Werdell. 2019. "Approach for propagating radiometric data uncertainties through NASA ocean color algorithms."
Frontiers in Earth Science
[10.3389/feart.2019.00176]
Jamet, C., A. Ibrahim, Z. Ahmad, et al. 2019. "Going Beyond Standard Ocean Color Observations: Lidar and Polarimetry."
Frontiers in Marine Science
6
[10.3389/fmars.2019.00251]
Werdell, P. J., M. J. Behrenfeld, P. S. Bontempi, et al. 2019. "The Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) mission: Status, science, advances."
Bulletin of the American Meteorological Society
100
(9):
1775–1794
[10.1175/bams-d-18-0056.1]
Werdell, P. J., and C. R. McClain. 2019. "Satellite Remote Sensing: Ocean Color."
Encyclopedia of Ocean Sciences (Third Edition)
5
443-455
[10.1016/B978-0-12-409548-9.10817-6]
Werdell, P. J., and L. I. Mckinna. 2019. "Sensitivity of inherent optical properties from ocean reflectance inversion models to satellite instrument wavelength suites."
Frontiers in Earth Science
7
[10.3389/feart.2019.00054]
Hu, C., L. Feng, Z. Lee, et al. 2019. "Improving Satellite Global Chlorophyll a Data Products Through Algorithm Refinement and Data Recovery."
Journal of Geophysical Research: Oceans
124
(3):
1524-1543
[10.1029/2019jc014941]
McKinna, L. I., and P. J. Werdell. 2018. "Approach for identifying optically shallow pixels when processing ocean-color imagery."
Optics Express
26
(22):
A915
[10.1364/oe.26.00a915]
Schaeffer, B. A., S. W. Bailey, R. N. Conmy, et al. 2018. "Mobile device application for monitoring cyanobacteria harmful algal blooms using Sentinel-3 satellite Ocean and Land Colour Instruments."
Environmental Modelling & Software
109
93-103
[10.1016/j.envsoft.2018.08.015]
Zhai, P.-W., E. Boss, B. Franz, P. Werdell, and Y. Hu. 2018. "Radiative Transfer Modeling of Phytoplankton Fluorescence Quenching Processes."
Remote Sensing
10
(8):
1309
[10.3390/rs10081309]
Gao, M., P.-W. Zhai, B. Franz, et al. 2018. "Retrieval of aerosol properties and water-leaving reflectance from multi-angular polarimetric measurements over coastal waters."
Optics Express
26
(7):
8968
[10.1364/oe.26.008968]
Seegers, B. N., R. P. Stumpf, B. A. Schaeffer, K. A. Loftin, and P. J. Werdell. 2018. "Performance metrics for the assessment of satellite data products: an ocean color case study."
Optics Express
26
(6):
7404
[10.1364/oe.26.007404]
Werdell, P. J., L. I. McKinna, E. Boss, et al. 2018. "An overview of approaches and challenges for retrieving marine inherent optical properties from ocean color remote sensing."
Progress in Oceanography
160
186–212
[10.1016/j.pocean.2018.01.001]
Clark, J. M., B. A. Schaeffer, J. A. Darling, et al. 2017. "Satellite monitoring of cyanobacterial harmful algal bloom frequency in recreational waters and drinking water sources."
Ecological Indicators
80
84-95
[10.1016/j.ecolind.2017.04.046]
Matsuoka, A., E. Boss, M. Babin, et al. 2017. "Pan-Arctic optical characteristics of colored dissolved organic matter: Tracing dissolved organic carbon in changing Arctic waters using satellite ocean color data."
Remote Sensing of Environment
200
89-101
[10.1016/j.rse.2017.08.009]
Vandermeulen, R. A., A. Mannino, A. Neeley, J. Werdell, and R. Arnone. 2017. "Determining the optimal spectral sampling frequency and uncertainty thresholds for hyperspectral remote sensing of ocean color."
Optics Express
25
(16):
A785
[10.1364/oe.25.00a785]
Urquhart, E. A., B. A. Schaeffer, R. P. Stumpf, K. A. Loftin, and P. J. Werdell. 2017. "A method for examining temporal changes in cyanobacterial harmful algal bloom spatial extent using satellite remote sensing."
Harmful Algae
67
144-152
[10.1016/j.hal.2017.06.001]
Zhai, P.-W., Y. Hu, D. M. Winker, et al. 2017. "Vector radiative transfer model for coupled atmosphere and ocean systems including inelastic sources in ocean waters."
Optics Express
25
(8):
A223
[10.1364/oe.25.00a223]
Gerbi, G. P., E. Boss, P. J. Werdell, et al. 2016. "Validation of Ocean Color Remote Sensing Reflectance Using Autonomous Floats."
Journal of Atmospheric and Oceanic Technology
33
(11):
2331-2352
[10.1175/jtech-d-16-0067.1]
McKinna, L. I., J. Werdell, and C. W. Proctor. 2016. "Implementation of an analytical Raman scattering correction for satellite ocean-color processing."
Opt. Express
24
(14):
A1123--A1137
[10.1364/OE.24.0A1123]
Valente, A., S. Sathyendranath, V. Brotas, et al. 2016. "A compilation of global bio-optical in situ data for ocean-colour satellite applications."
Earth System Science Data
8
(1):
235-252
[10.5194/essd-8-235-2016]
Nechad, B., K. Ruddick, T. Schroeder, et al. 2015. "CoastColour Round Robin data sets: a database to evaluate the performance of algorithms for the retrieval of water quality parameters in coastal waters."
Earth System Science Data
7
(2):
319-348
[10.5194/essd-7-319-2015]
Chaves, J. E., J. Werdell, C. W. Proctor, et al. 2015. "Assessment of ocean color data records from MODIS-Aqua in the western Arctic Ocean."
Deep Sea Research Part II: Topical Studies in Oceanography
118
(Part A):
32-43
[10.1016/j.dsr2.2015.02.011]
Franz, B. A., M. Behrenfeld, D. Siegel, and P. J. Werdell. 2015. "Global Ocean Phytoplankton [in State of the Climate in 2014] ."
Bulletin of the American Meteorological Society
96
(7):
S85-S87
[10.1175/2015BAMSStateoftheClimate.1]
Brewin, R. J., S. Sathyendranath, D. Müller, et al. 2015. "The Ocean Colour Climate Change Initiative: III. A round-robin comparison on in-water bio-optical algorithms."
Remote Sensing of Environment
162
271-294
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McKinna, L. I., P. Fearns, S. Weeks, et al. 2015. "A semianalytical ocean color inversion algorithm with explicit water column depth and substrate reflectance parameterization."
Journal of Geophysical Research - Oceans
120
(3):
1741-1770
[10.1002/ 2014JC010224]
Franz, B. A., S. W. Bailey, N. A. Kuring, and J. Werdell. 2015. "Ocean color measurements with the Operational Land Imager on Landsat-8: implementation and evaluation in SeaDAS."
Journal of Applied Remote Sensing
9
(1):
096070
[10.1117/I.JRS.9.096070]
Thibodeau, P. S., C. S. Roesler, S. L. Drapeau, et al. 2014. "Locating Noctiluca miliaris in the Arabian Sea: An optical proxy approach."
Limnology and Oceanography
59
2042-2056
[doi:10.4319/lo.2014.59.6.2042]
Werdell, P. J., C. S. Roesler, and J. I. Goes. 2014. "Discrimination of phytoplankton functional groups using an ocean reflectance inversion model."
Applied Optics
53
(22):
4833-4849
[10.1364/AO.53.004833]
Franz, B. A., M. J. Behrenfeld, D. A. Siegel, and J. Werdell. 2014. "Global Ocean Phytoplankton [in "State of the Climate in 2013"]."
Bulletin of the American Meteorological Society
95
(7):
578-580
[10.1175/2014BAMSStateoftheClimate.1]
Franz, B. A., M. J. Behrenfeld, D. A. Siegel, and P. J. Werdell. 2013. "Global Ocean Phytoplankton."
Bulletin of the American Meteorological Society
State of the Climate
575-578
Werdell, P., C. Proctor, E. Boss, T. Leeuw, and M. Ouhssain. 2013. "Underway sampling of marine inherent optical properties on the Tara Oceans expedition as a novel resource for ocean color satellite data product validation."
Methods in Oceanography
7
40-51
[10.1016/j.mio.2013.09.001]
Werdell, P. J., B. A. Franz, J. T. Lefler, W. D. Robinson, and E. Boss. 2013. "Retrieving marine inherent optical properties from satellites using temperature and salinity-dependent backscattering by seawater."
Opt. Express
21
(26):
32,611-32,622
[10.1364/OE.21.032611]
Siegel, D. A., B. Behrenfeld, S. Maritorena, et al. 2013. "Regional to global assessments of phytoplankton dynamics from the SeaWiFS mission."
Remote Sensing of Environment
135
77-91
[10.1016/j.rse.2013.03.025]
Werdell, P. J., B. A. Franz, S. W. Bailey, et al. 2013. "Generalized ocean color inversion model for retrieving marine inherent optical properties."
Applied Optics
52
(10):
2019-2037
[10.1364/AO.52.002019]
Weeks, S., P. Werdell, B. Schaffelke, et al. 2012. "Satellite-Derived Photic Depth on the Great Barrier Reef: Spatio-Temporal Patterns of Water Clarity."
Remote Sensing
4
(12):
3781-3795
[10.3390/rs4123781]
Salama, M., R. Velde, H. Woerd, et al. 2012. "Technical Note: Calibration and validation of geophysical observation models."
Biogeosciences
9
(6):
2195–2201
[10.5194/bg-9-2195-2012]
Sauer, M., C. Roesler, P. J. Werdell, and A. Barnard. 2012. "Under the hood of satellite empirical chlorophyll a algorithms: revealing the dependencies of maximum band ratio algorithms on inherent optical properties."
Opt. Express
20
(19):
20920
[10.1364/OE.20.020920]
Szeto, M., P. Werdell, T. Moore, and J. Campbell. 2011. "Are the world's oceans optically different?"
J. Geophys. Res.
116
C00H04
[10.1029/2011JC007230]
Werdell, P. J., B. A. Franz, and S. W. Bailey. 2010. "Evaluation of shortwave infrared atmospheric correction for ocean color remote sensing of Chesapeake Bay."
Remote Sensing of Environment
114
(10):
2238-2247
[10.1016/j.rse.2010.04.027]
Lee, Z., R. Arnone, C. Hu, P. Werdell, and B. Lubac. 2010. "Uncertainties of optical parameters and their propagations in an analytical ocean color inversion algorithm."
Appl Opt
49
369-381
Ahmad, Z., B. A. Franz, C. R. Mc Clain, et al. 2010. "New aerosol models for the retrieval of aerosol optical thickness and normalized water-leaving radiances from the SeaWiFS and MODIS sensors over coastal regions and open oceans."
Applied Optics
49
(29):
5545
[10.1364/AO.49.005545]
Bailey, S. W., B. A. Franz, and P. J. Werdell. 2010. "Estimation of near-infrared water-leaving reflectance for satellite ocean color data processing."
Optics Express
7521-7527
Werdell, P. J., S. W. Bailey, L. W. Franz, et al. 2009. "Regional and seasonal variability of chlorophyll-a in Chesapeake Bay as observed by SeaWiFS and MODIS-Aqua."
Remote Sensing of Environment
113
(6):
1319-1330
[10.1016/j.rse.2009.02.012]
Werdell, P. J. 2009. "Global Bio-optical Algorithms for Ocean Color Satellite Applications: Inherent Optical Properties Algorithm Workshop at Ocean Optics XIX; Barga, Italy, 3–4 October 2008."
Eos, Transactions American Geophysical Union
90
(1):
4
[10.1029/2009EO010005]
Bailey, S. W., S. B. Hooker, A. David, B. A. Franz, and P. J. Werdell. 2008. "Sources and assumptions for the vicarious calibration of ocean color satellite observations."
Applied Optics
47
(12):
2035
[10.1364/AO.47.002035]
Brown, C., Y. Huot, P. J. Werdell, B. Gentili, and H. Claustre. 2008. "The origin and global distribution of second order variability in satellite ocean color and its potential applications to algorithm development."
Remote Sensing of Environment
112
(12):
4186-4203
[10.1016/j.rse.2008.06.008]
Werdell, P. J., S. W. Bailey, B. A. Franz, A. Morel, and C. R. Mc Clain. 2007. "On-orbit vicarious calibration of ocean color sensors using an ocean surface reflectance model."
Applied Optics
46
(23):
5649
[10.1364/AO.46.005649]
Morel, A., Y. Huot, B. Gentili, et al. 2007. "Examining the consistency of products derived from various ocean color sensors in open ocean (Case 1) waters in the prespective of multi-sensor approach."
Remote Sens Environ
111
69-88
Franz, B. A., S. W. Bailey, P. J. Werdell, and C. R. McClain. 2007. "Sensor-independent approach to the vicarious calibration of satellite ocean color radiometry."
Appl Opt
46
(22):
5068-5082
Bailey, S. W., and P. J. Werdell. 2006. "A multi-sensor approach for the on-orbit validation of ocean color satellite data products."
Remote Sens Environ
102
12-23
[10.1016/j.rse.2006.01.015]
Werdell, J., and S. W. Bailey. 2005. "An improved in-situ bio-optical data set for ocean color algorithm development and satellite data product validation."
Remote Sens Environ
98
122-140
[10.1016/j.rse.2005.07.001]
Werdell, P. J., S. W. Bailey, G. Fargion, et al. 2003. "Unique data repository facilitates ocean color satellite validation."
Eos, Transactions American Geophysical Union
84
(38):
377
[10.1029/2003EO380001]
Frouin, R., B. A. Franz, and P. Werdell. 2003. "The SeaWiFS PAR Product."
NASA/TM 2003--206892, Vol 22
46-50
Werdell, P., and C. S. Roesler. 2003. "Remote assessment of benthic substrate composition in shallow waters using multispectral reflectance."
Limnology and Oceanography
48
(1, part 2):
557-567
Eplee, R. E., W. D. Robinson, S. W. Bailey, et al. 2001. "Calibration of SeaWiFS. II. Vicarious techniques."
Applied Optics
40
(36):
6701-6718
[10.1364/AO.40.006701]
Non-Refereed
Meister, G., J. J. Knuble, W. B. Cook, E. T. Gorman, and P. J. Werdell. 2019. "Calibration plan for the Ocean Color Instrument (OCI) engineering test unit."
Sensors, Systems, and Next-Generation Satellites XXIII
11151
111511W
[10.1117/12.2550820]
Gorman, E., D. A. Kubalak, P. Deepak, et al. 2019. "The NASA Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) mission: an emerging era of global, hyperspectral Earth system remote sensing."
Sensors, Systems, and Next-Generation Satellites XXIII
11151
111510G
[10.1117/12.2537146]
Boss, E., C. W. Proctor, P. J. Werdell, et al. 2014. "Remote sensing of IOPs in the Arctic Ocean using the GIOP framework."
Proc. Ocean Optics XXII
Franz, B. A., S. W. Bailey, N. Kuring, and P. J. Werdell. 2014. "Ocean Color Measurements from Landsat-8 OLI using SeaDAS."
Proc. Ocean Optics XXII
Chaves Cedeno, J. E., P. J. Werdell, C. W. Proctor, et al. 2014. "Assessment of ocean color data records from MODIS-Aqua in the western Arctic Ocean."
Proc. Ocean Optics XXII
McKinna, L. I., P. J. Werdell, P. R. Fearns, et al. 2014. "SWIM: a semi-analytical ocean color inversion algorithm for optically shallow waters."
Proc. Ocean Optics XXII
Proctor, C. W., J. T. Lefler, P. J. Werdell, and S. W. Bailey. 2014. "The SeaBASS validation system: redesigned tools and online resources for ocean color satellite match-ups."
Proc. Ocean Optics XXII
Werdell, P. J., C. S. Roesler, and J. I. Goes. 2014. "Remotely searching for Noctiluca miliaris in the Arabian Sea."
Proc. Ocean Optics XXII
Werdell, P. J., C. S. Roesler, and J. I. Goes. 2012. "Sensitivity of ocean reflectance inversion models for identifying and discriminating between phytoplankton functional groups."
Proc. Ocean Optics XXI
Franz, B. A., S. W. Bailey, G. Meister, and P. J. Werdell. 2012. "Quality and Consistency of the NASA Ocean Color Data Record."
Proc. Ocean Optics XXI
Meister, G., C. R. Mc Clain, Z. Ahmad, et al. 2011. "Requirements for an Advanced Ocean Radiometer ."
NASA Tech Memo
37
Franz, B. A., and P. J. Werdell. 2010. "A Generalized Framework for Modeling of Inherent Optical Properties in Ocean Remote Sensing Applications."
Proc. Ocean Optics XX
Werdell, J., B. A. Franz, S. W. Bailey, L. W. Harding Jr., and G. C. Feldman. 2007. "Approach for the long-term spatial and temporal evaluation of ocean color satelliet data products in a coastal environment."
Proc. SPIE Int. Soc. Opt. Eng
6680
12 pp
[10.1117/12.732489]
Werdell, P. J., B. A. Franz, S. W. Bailey, and C. R. McClain. 2006. "Recent Advances in the Operational Vicarious Calibration of Visible and Near- infrared Ocean Color Satellite Radiometry."
Proc. Ocean Optics XVIII
Franz, B. A., P. J. Werdell, G. Meister, et al. 2006. "MODIS Land Bands for Ocean Remote Sensing Applications."
Proc. Ocean Optics XVIII
Franz, B. A., P. Werdell, G. Meister, et al. 2005. "The continuity of ocean color measurements from SeaWiFS to MODIS."
Proc SPIE Int Soc Opt Eng
5882
304-316
Werdell, J., and S. W. Bailey. 2003. "Overview of SeaBASS and MODIS Validation Activity."
NASA/TM-2003
35-40
Franz, B. A., F. Patt, R. A. Barnes, et al. 2003. "Algorithm Updates for the Fourth SeaWiFS Data Reprocessing."
NASA/TM 2003-206892
22
74 pp
Fargion, G., B. A. Franz, E. Kwiatkowska, et al. 2003. "SIMBIOS Program in Support of Ocean Color Missions: 1997-2003."
Proc SPIE Int Soc Opt Eng
5155
49-60
Fargion, G., B. A. Franz, E. Kwiatkowska, et al. 2003. "SIMBIOS Project Data Processing and Analysis Results."
NASA/TM-2003-211622
11841
Eplee, R., R. A. Barnes, S. W. Bailey, and P. J. Werdell. 2003. "Changes to the Vicarious Calibration of SeaWiFS."
NASA/TM 2003-206892, Vol 22
20-25
Robinson, W., B. A. Franz, F. Patt, S. W. Bailey, and P. J. Werdell. 2003. "Masks and Flags Updates."
NASA/TM 2003--206892, Vol 22
34-40
Mueller, J. L., C. Pietras, S. B. Hooker, et al. 2002. "Ocean Optics Potocols for Satellite Ocean Color Sensor Validation."
NASA Tech Memo 2002-210004, Rev 3, Vol 1
iii-iv
Werdell, P. J., S. W. Bailey, and G. S. Fargion. 2002. "SeaBASS Data Protocols and Policy."
NASA Tech Memo 2002-210004, Rev 3, Vol 2
284-287
Werdell, P., and S. W. Bailey. 2002. "The SeaWiFS Bio-Optical Archive and Storage System (SeaBASS): Current Architecture and Implementation, Introduction."
NASA Tech Memo 2002-211617
1
Hsu, N.-Y. C., W. Robinson, S. W. Bailey, and P. Werdell. 2000. "The description of the SeaWiFS absorbing aerosol index."
SeaWiFS NASA Technical Memorandum 2000-206892
10
3-5
