MODIS/Aqua Geolocation Fields 1km 5-Min 1A Wide Swath Subset along CloudSat V2 (MAC03S1) at GES DISCEntry ID: GES_DISC_MAC03S1_v2
Abstract: This is the wide-swath MODIS/Aqua subset along CloudSat field of view track.
The goal of the wide-swath subset is to select and return MODIS data that are
within +-100 km across the CloudSat track. I.e. the resultant MODIS subset
swath is about 200 km cross-track. Thus, MAC03S1 cross-track width is 201
pixels. Along-track, all MODIS pixels from the original product are preserved.
In ... the standard product, geolocation fields are calculated for each 1 km MODIS Instantaneous Field of Views (IFOV) for all orbits daily. The locations and ancillary information corresponds to the intersection of the centers of each IFOV from 10 detectors in an ideal 1 km band on the Earth's surface. A digital terrain model is used to model the Earth's surface. The main inputs are the spacecraft attitude and orbit, the instrument telemetry and the digital elevation model. The geolocation fields include geodetic Latitude, Longitude, surface height above geoid, solar zenith and azimuth angles, satellite zenith and azimuth angles, and a land/sea mask for each 1 km sample. Additional information is included in the header to enable the calculation of the approximate location of the center of the detectors of any of the 36 MODIS bands. This product is used as input by a large number of subsequent MODIS products, particularly the products produced by the Land team.
"Two day repeat observations with a repeat orbit pattern every 16 days. The
locales where the ascending and descending modes are close or intersect can
have two observations per day."
(The shortname for this product is MAC03S1).
For more data set information:
See the A-Train Data Depot homepage: http://disc.sci.gsfc.nasa.gov/atdd/
See the MODIS Science Team homepage: http://modis.gsfc.nasa.gov/data/dataprod/
Data Set Citation
Dataset Originator/Creator: GES DISC/MODIS
Dataset Title: MODIS/Aqua Geolocation Fields 1km 5-Min 1A Wide Swath Subset along CloudSat
Dataset Series Name: MAC03S1
Dataset Release Date: October 2006
Dataset Release Place: Greenbelt, MD, USA
Dataset Publisher: Goddard Earth Science Data and Information Services Center (GES DISC)
Issue Identification: MAC03S1_2
Data Presentation Form: Digital Science DataOnline Resource: http://disc.gsfc.nasa.gov/datacollection/MAC03S1_v2.shtml
Start Date: 2000-03-01
Latitude Resolution: 1 km at nadir
Longitude Resolution: 1 km at nadir
Horizontal Resolution Range: 1 km - < 10 km or approximately .01 degree - < .09 degree
Temporal Resolution: Two day repeat observations with a repeat orbit pattern every 16 days.
Temporal Resolution Range: Daily - < Weekly
ISO Topic Category
Quality Information about the quality of MODIS data can be found at:
Access Constraints None
Use Constraints None
Data Set Progress
Distribution Media: Online (FTP)
Distribution Size: 8.32MB
Distribution Format: HDF
Role: DIF AUTHOR
Role: TECHNICAL CONTACT
Email: gsfc-help-disc at lists.nasa.gov
Goddard Earth Sciences Data and Information Services Center Code 610.2 NASA Goddard Space Flight Center
Province or State: MD
Postal Code: 20771
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2006-09-22
Last DIF Revision Date: 2014-05-05
Future DIF Review Date: 2015-05-01