MODIS/Aqua Clear Radiance Statistics Indexed to Global Grid 5-Min L2 Swath 10km

Metadata Updated: August 9, 2018

The MODIS/Aqua Clear Radiance Statistics Indexed to Global Grid 5-Min L2 Swath 10km product (MYDCSR_G) provides a variety of, statistical measures that characterize observed top-of-atmosphere clear sky radiances at a 10 km spatial resolution. Clear radiances are collected for all earth scenes and separated by day and night.

The MYDCSR_G serves as input to the downstream Level 3 aggregation processes that culminate with the production of the 1-degree Zonal Bias Product (MYDCSR_B) used as input to PGE06 (MODIS Cloud Product).

MYDCSR_G data are collected for bands 1-7 and 17-36 for all but the last two statistics. Calculated clear-sky radiances are produced for bands 20, 22-25, and 27-36 and subtracted from observed values. Differences in bands 31 and 33-36 are summed and used to create the clear-sky biases used in generating the PGE06 cloud top pressure field. Numbers of observations from land vs. water are also kept for each 25-km region. Biases are used to quantify the difference between instrument observed radiances and a calculated radiance. This difference is especially important for the cloud top properties retrieval which utilizes an atmospheric transmittance model as a means of calculating radiances in different layers of the atmosphere and matching that to observations.

The biases contained in MYDCSR_G are the difference between the calculated radiance and the observed radiance for all clear-sky grid cells which fall within the given granule. The MYDCSR_G files are in Hierarchical Data Format (HDF).

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

Downloads & Resources

References

https://ladsweb.modaps.eosdis.nasa.gov/search/
https://ladsweb.modaps.eosdis.nasa.gov/archive/allData/61/MYDCSR_G/

Dates

Metadata Created Date August 9, 2018
Metadata Updated Date August 9, 2018

Metadata Source

Harvested from NASA Data.json

Additional Metadata

Resource Type Dataset
Metadata Created Date August 9, 2018
Metadata Updated Date August 9, 2018
Publisher Not provided
Unique Identifier C1444209284-LAADS
Maintainer
ASAD ULLAH
Maintainer Email
Public Access Level public
Bureau Code 026:00
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
Harvest Object Id 9211a46f-92d6-4c54-ab65-ae062c421c84
Harvest Source Id 39e4ad2a-47ca-4507-8258-852babd0fd99
Harvest Source Title NASA Data.json
Data First Published 2017-10-01T00:00:00.000Z
Language en-US
Metadata Type geospatial
Data Last Modified 2018-04-04T00:00:00Z
Program Code 026:001
Publisher Hierarchy U.S. Government > National Aeronautics and Space Administration > Not provided
Related Documents https://ladsweb.modaps.eosdis.nasa.gov/search/, https://ladsweb.modaps.eosdis.nasa.gov/archive/allData/61/MYDCSR_G/
Source Datajson Identifier True
Source Hash d315faef837ec0907a8dd999a3208958020668c4
Source Schema Version 1.1
Spatial -180.0 -90.0 180.0 90.0
Temporal 2002-07-04T00:00:00Z/2018-04-04T00:00:00Z
Category Aqua, geospatial

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