ASDC Projects Supported
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ProjectsDefinition/DescriptionSpatial CoverageTemporal Coverage
Active Cavity Radiometer Irradiance Monitor (ACRIM) II:
monitors the total variability of solar irradiance with active cavity radiometer sensors.
Related Project: ACRIM III Looks at Sun 10/04/1991 - 11/01/2001
Active Cavity Radiometer Irradiance Monitor (ACRIM) III:
monitors the total variability of solar irradiance with active cavity radiometer sensors.
Related Project: ACRIM II Looks at Sun 04/05/2000 - 12/01/2009
Creating a Unified Airborne Database for Assessment and Validation of Global Models (ADAM) of Atmospheric Composition. A MEaSURES project that addresses the critical needs related to the top two activities selected by Atmospheric Chemistry and Climate i.e. (1) a 20-25 year hindcast of tropospheric ozone and aerosols, and (2) a definition of processes that control the distribution of the tropospheric trace gases/aerosols between mid and upper troposphere. ADAM enables model verification and comparison exercises associated with these activities by providing observational data in appropriate format and temporal and spatial scales along with objectively assessed uncertainties. Varies 20 - 25 years
Airborne Multi-angle Imaging SpectroRadiometer (AirMISR) is an airborne instrument for obtaining multi-angle imagery similar to that of the satellite-borne MISR instrument, which is designed to contribute to studies of the Earth's ecology and climate. AirMISR flies on the NASA-owned ER-2 aircraft. The instrument was built for NASA by the Jet Propulsion Laboratory in Pasadena, California.
AirMISR utilizes a single camera in a pivoting gimbal mount to obtain data in four spectral bands at nine viewing angles. A data run by the NASA ER-2 aircraft is divided into nine segments, each with the camera positioned to one of these angles. The nine angles are 0° or nadir, 26.1° fore and aft, 45.6° fore and aft, 60.0° fore and aft and 70.5° fore and aft. The center wavelength for the spectral bands are blue at 443 nanometers (nm), green at 555 nm, red at 670 nm and near-infrared at 865 nm.
Related Project: MISR Relevant to each field experiment Relevant to each field experiment
Airborne Multi-angle Spectro Polarimetric Imager (AirMSPI) is an airborne prototype instrument similar to that of the future satellite-borne MSPI instrument for obtaining multi-angle polarization imagery. AirMSPI flies on the NASA-owned ER-2 aircraft. The instrument was built for NASA by the Jet Propulsion Laboratory in Pasadena, California.
Multiangle radiance and polarization imagery from AirMSPI will (a) provide 3-D scene context where clouds and aerosol plumes are present, plus constraints on radiometric closure, particularly over heterogeneous scenes where 3-D radiative transfer may dominate, and (b) enable retrieval of aerosol and cloud macrophysical properties (distribution, height), microphysical properties (size distribution, single scattering albedo, shape), and optical depth. Relevant to each field experiment Relevant to each field experiment
Aerosol Research Branch (ARB): ground-based 48-inch LIDAR system providing high resolution vertical measurements.
The ARB_48_IN_LIDAR data set contains data collected from a 48-inch Lidar system located at NASA Langley Research Center. Each granule consists of one year of data. Data are available from 1982 through 12/4/2001. The days of data are different in each granule. Each measurement consists of four parameters: integrated backscatter over altitude, altitude levels, scattering ratio at each altitude level, and aerosol backscattering coefficient at each altitude level. An image has been produced to represent the data collected for each granule. 37.1N Lat., 76.3W Lon. NASA Langley Research Center 06/14/1982 - 12/04/2001
The ARM Enhanced Shortwave Experiment (ARESE) was conducted at the Department of Energy's ARM Southern Great Plains (SGP) Central Facility between September 22, 1995 and November 1, 1995. The principal objectives of ARESE were (1) to directly measure the absorption of solar radiation by the clear and cloudy atmosphere and to place uncertainty bounds on these measurements and (2) to investigate the possible causes of absorption in excess of model predictions. Southern Great Plains 09/25/1995 - 10/23/1995
Atlantic - THORpex Observing System Test (ATOST) is part of an international research program to accelerate improvements in the accuracy of 1 to 14 day weather forecasts. A number of additional air, ground, and water observation platforms are selected daily from forecast flow patterns. The ATOST campaign is the first to attempt real-time adaptive control over several platforms at short notice.
Related Project: THORpex Bangor, Maine 11/06/2003 - 12/17/2003
Airborne Tropical TRopopause EXperiment (ATTREX) was conducted through three field deployments in Lancaster, CA (2011 and 2013) and Guam (2014). The ATTREX measurements include trace gas mixing ratio, radiation flux, cloud properties, and meteorological parameters. varies 10/24/2011 - 11/10/2011
Biomass Burning:
This data set represents the geographical and temporal distribution of total amount of biomass burned. These data may be used in general circulation models (GCMs) and in photochemical models of the atmosphere.
Biomass burning includes the clearing of forests and savannas for agricultural and grazing use; shifting agriculture practices; the control of grass, weeds, and litter on agricultural and grazing lands; the elimination of stubble and waste on agricultural lands after the harvest; and the domestic use of biomass matter. Central & South America, Africa, Tropical Asia 01/01/1980 - 12/31/1980
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