Datastream : SASHEVISLOWSUN
Shortwave Array Spectroradiometer-Hemispheric, VISible channel, low-sun angles [a0 data is uncalibrated]
Active Dates
2011.03.22 - 2012.03.31
Measurement Categories
Radiometric
Originating Instrument
Shortwave Array Spectroradiometer-Hemispheric (SASHE)
Measurements
Only measurements considered scientifically relevant are shown below by default.
Show all measurements
Measurement | Units | Variable |
---|---|---|
Airmass | unitless | airmass ( time ) |
Altitude above mean sea level | m | alt |
Atmospheric pressure | kPa | atmos_pressure ( time ) |
Temperature of avantes AD board | deg C | avantes_ad_temperature ( time ) |
Temperature of avantes optical bench | deg C | avantes_bench_temperature ( time ) |
Band axis orientation with respect to azimuth limit switch | deg | band_az_raw ( time ) |
Band axis orientation with respect to north | deg N | band_azimuth ( time ) |
Base time in Epoch | seconds since 1970-1-1 0:00:00 0:00 | base_time |
Spectrometer chiller internal dew point | deg C | chiller_dewpoint ( time ) |
Spectrometer chiller internal RH | % | chiller_rh ( time ) |
Spectrometer chiller internal temperature | deg C | chiller_temperature ( time ) |
Collector internal dew point | deg C | collector_dewpoint ( time ) |
Collector internal relative humidity from TRH sensor | % | collector_rh ( time ) |
Collector internal temperature from TRH sensor | deg C | collector_temperature ( time ) |
Collector tilt along band axis | deg | collector_x_tilt ( time ) |
Standard deviation of collector tilt measured along band axis. | collector_x_tilt_std ( time ) | |
Collector tilt perpendicular to band axis | deg | collector_y_tilt ( time ) |
Standard deviation of collector tilt measured perpendicular to band axis. | deg | collector_y_tilt_std ( time ) |
Earth sun distance | AU | earth_sun_dist ( time ) |
Inner band orientation relative to operational vertical | deg | inner_band_angle ( time ) |
Inner band orientation relative to nominal vertical | deg | inner_band_angle_raw ( time ) |
Scattering angle occluded by point of inner band nearest to the solar position | deg | inner_band_scat_ang ( time ) |
North latitude | degree_N | lat |
East longitude | degree_E | lon |
MIO relative humidity from TRH sensor | % | mio_rh ( time ) |
Temperature of multi-IO box from MEMS sensor | deg C | mio_temperature_mems ( time ) |
Temperature of multi-IO box from MEMS sensor in fahrenheit | deg F | mio_temperature_mems_fahr ( time ) |
Temperature of MIO box from TRH sensor | deg F | mio_temperature_trh ( time ) |
Number of spectrometer scans averaged for this spectra | unitless | number_of_scans ( time ) |
Outer band orientation relative to operational vertical | deg | outer_band_angle ( time ) |
Outer band orientation relative to nominal vertical | deg | outer_band_angle_raw ( time ) |
Scattering angle occluded by point of outer band nearest to the solar position | deg | outer_band_scat_ang ( time ) |
Shutter state | unitless | shutter_state ( time ) |
Solar azimuth angle relative to north | deg N | solar_azimuth ( time ) |
Solar zenith angle relative to vertical zenith. | deg | solar_zenith ( time ) |
Spectrum of raw counts from spectrometer | spectra ( time, wavelength ) | |
Spectrometer internal clock ticks | seconds | spectrometer_clock_ticks ( time ) |
Integration time of individual spectrometer scans | ms | spectrometer_integration_time ( time ) |
Step number in measurement sequence | unitless | tag ( time ) |
Time offset from midnight | time ( time ) | |
Time offset from base_time | time_offset ( time ) | |
Wavelength | nm | wavelength ( wavelength ) |
Locations
- Southern Great Plains (SGP)
- Central Facility, Lamont, OK (C1)
- ARM Mobile Facility (PGH)
- ARIES Observatory, Nainital, Uttarkhand, India (M1)
Contact(s)
Connor Flynn
(509) 375-2041
connor.flynn@pnnl.gov