Datastream : DISDROMETER
Disdrometer: measures rain drop size distribution
Active Dates
2006.01.11 - 2012.09.21
Measurement Categories
Atmospheric State, Cloud Properties
Originating Instrument
Impact Disdrometer (DISDROMETER)
Measurements
Only measurements considered scientifically relevant are shown below by default.
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Measurement | Units | Variable |
---|---|---|
Altitude above mean sea level | m | alt |
Base time in Epoch | seconds since 1970-1-1 0:00:00 0:00 | base_time |
Diameter interval between drop size classes | mm | delta_diam ( drop_class ) |
Diameter of largest drop | mm | diam_max ( time ) |
Distribution intercept | 1/(m^3-mm) | distribution_intercept ( time ) |
Distribution slope | 1/mm | distribution_slope ( time ) |
Drop class | unitless | drop_class ( drop_class ) |
Energy flux | J/(m^2-hr) | energy_flux ( time ) |
Fall velocity | m/s | fall_velocity ( drop_class ) |
North latitude | degree_N | lat |
Liquid water content | gm/m^3 | liq_water ( time ) |
East longitude | degree_E | lon |
Diameter of drop size class | mm | mean_diam_drop_class ( drop_class ) |
Number of drops | none | num_drop ( time, drop_class ) |
Number density | 1/(m^3-mm) | number_density ( time, drop_class ) |
Precipitation | mm | precip_dis ( time ) |
Quality check results on field: Number of drops | unitless | qc_num_drop ( time, drop_class ) |
Quality check results on field: Precipitation | unitless | qc_precip_dis ( time ) |
Quality check results on field: Rain rate | unitless | qc_rain_rate ( time ) |
Quality check results on field: Time offset from midnight | unitless | qc_time ( time ) |
Radar reflectivity | dB | radar_reflectivity ( time ) |
Rain rate | mm/hr | rain_rate ( time ) |
Time offset from midnight | time ( time ) | |
Time offset from base_time | time_offset ( time ) |
Locations
- Southern Great Plains (SGP)
- Central Facility, Lamont, OK (C1)
- Tropical Western Pacific (TWP)
- Central Facility, Darwin, Australia (C3)
Contact(s)
Mary Jane Bartholomew
(631) 344-2444
bartholomew@bnl.gov