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Dataset

 

MOD09A1 - MODIS/Terra Surface Reflectance 8-Day L3 Global 500m SIN Grid

Update Frequency: As Needed
Latest Data Update: 2023-05-17
Status: Ongoing
Online Status: ONLINE
Publication State: Published
Publication Date: 2021-04-15
Download Stats: last 12 months
Dataset Size: 169.12K Files | 10TB
Abstract

These data are a copy of MODIS data from the NASA Level-1 and Atmosphere Archive & Distribution System (LAADS) Distributed Active Archive Center (DAAC). The copy is potentially only a subset. Below is the description from https://ladsweb.modaps.eosdis.nasa.gov/missions-and-measurements/products/MOD09A1

Shortname: MOD09A1 , Platform: Terra , Instrument: MODIS , Processing Level: Level-3 , Spatial Resolution: 500 m , Temporal Resolution: 8 day , ArchiveSets: 61, 6 , Collection: MODIS Collection 6.1 - Level 1, Atmosphere, Land (ArchiveSet 61) , PGE Number: PGE21

Citable as:  National Aeronautics and Space Administration (2021): MOD09A1 - MODIS/Terra Surface Reflectance 8-Day L3 Global 500m SIN Grid. National Aeronautics and Space Administration, date of citation. https://catalogue.ceda.ac.uk/uuid/05a18921d3a44c89a9158809fd813eb3
Abbreviation: MOD09A1
Keywords: Not defined

Details

Previous Info:
No news update for this record
Previously used record identifiers:
No related previous identifiers.
Access rules:
Public data: access to these data is available to both registered and non-registered users.
Use of these data is covered by the following licence: https://modaps.modaps.eosdis.nasa.gov/services/faq/LAADS_Data-Use_Citation_Policies.pdf. When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record.
Data lineage:

Data were downloaded from https://ladsweb.modaps.eosdis.nasa.gov/archive/allData/ to support UK research groups, especially NCEO.
Data Quality:
Look on the data source site (https://ladsweb.modaps.eosdis.nasa.gov) for quality information
File Format:
HDF

Related Documents

 LAADS DAAC - Search for Product Files
 LAADS DAAC - Data Archive

Process overview

This dataset was generated by instruments deployed on platforms as listed below.

Mobile platform operations

Mobile Platform Operation 1 Terra Satellite orbit details
Output Description

None
  • units: degree
  • var_id: sur_refl_raz
  • long_name: Relative_azimuth
  • units: degree
  • var_id: sur_refl_szen
  • long_name: Solar_zenith
  • units: bit field
  • var_id: sur_refl_qc_500m
  • long_name: Surface_reflectance_500m_quality_control_flags
  • units: bit field
  • var_id: sur_refl_state_500m
  • long_name: Surface_reflectance_500m_state_flags
  • units: Julian day
  • var_id: sur_refl_day_of_year
  • long_name: Surface_reflectance_day_of_year
  • units: reflectance
  • var_id: sur_refl_b01
  • long_name: Surface_reflectance_for_band_1
  • units: reflectance
  • var_id: sur_refl_b02
  • long_name: Surface_reflectance_for_band_2
  • units: reflectance
  • var_id: sur_refl_b03
  • long_name: Surface_reflectance_for_band_3
  • units: reflectance
  • var_id: sur_refl_b04
  • long_name: Surface_reflectance_for_band_4
  • units: reflectance
  • var_id: sur_refl_b05
  • long_name: Surface_reflectance_for_band_5
  • units: reflectance
  • var_id: sur_refl_b06
  • long_name: Surface_reflectance_for_band_6
  • units: reflectance
  • var_id: sur_refl_b07
  • long_name: Surface_reflectance_for_band_7
  • units: degree
  • var_id: sur_refl_vzen
  • long_name: View_zenith

Co-ordinate Variables

Coverage
Temporal Range
Start time:
2000-02-23T23:55:00
End time:
Ongoing
Geographic Extent

 
90.0000°
  
-180.0000°
  
180.0000°
 
-90.0000°
  
Related parties
Authors (1)
Publishers (1)
Principal Investigators (1)