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MODIS/Aqua Land Surface Temperature/Emissivity Daily L3 Global 0.05Deg CMG V041
Entry ID: MYD11C1

Abstract: The MODIS/Aqua V41 LST/E L3 Global CMG (Short name: MYD11C1) products incorporate 0.05º (5600 meters at the equator) pixels, which are derived from the MOD11B1 daily global 5 km grid product, and stored in a 0.05º geographic CMG. They are produced daily using the day/night LST algorithm, which extracts average temperatures (in Kelvin) and applies them to a pair of MODIS daytime and nighttime observations. This method yields 1 K accuracy for materials with known emissivities. The six thermal band emissivities are estimated through a classification-based look-up table (LUT). Prior to reprojecting the MYD11C1, cloud-contaminated LSTs (daytime and nighttime) are removed by a double-screening method. Further details are available in Wan et al. (2002).

The V41 MYD11C1 product comprises the following Science Data Set (SDS) layers for daytime and nighttime observations: LSTs, quality control assessments, observation times, view zenith angles, clear sky coverages, and emissivities for bands 20, 22, 23, 29, 31, and 32.

The V41 Aqua/MODIS LST/E products, including MYD11C1, are validated to Stage-1 with well-defined uncertainties over a range of representative conditions. Further details regarding MODIS land product validation for the LST/E products is available from the following URL: http://landval.gsfc.nasa.gov/ProductStatus.php?ProductID=MOD11

This product is ready for use in science applications/publications. Subsequent and improved versions of this product also exist.

The V41 MYD11C1 product’s acquisition range started January 1, 2007 (2007-001), and will continue until the V6 reprocessing completes in late 2010. The V41 LST products from 2007-001 will remain consistent with similar products from V4, and hence are amenable to combine them in a time series analysis. Users should exercise caution, and not mix the V4.x (i.e., V4 and V41) and V5 LST products in their analysis.

V041 Data Set Characteristics:
Area: Global
Image Dimensions: 3600 x 7200 rows/columns
File Size: ~440 MB
Resolution: 0.05 degrees (~5.6 km at the Equator)
Projection: Latitude/Longitude Grid
Data Format: HDF-EOS
Science Data Sets (SDS HDF Layers): 15

Purpose: Science Research

Related URL
Link: View Related Information
Description: Data set landing page at the LP DAAC

Link: View Related Information
Description: Interface to search, discover, and access EOS data products, and invoke available data services.

Link: View Related Information
Description: LP DAAC Data Pool provides direct access to all currently available MODIS products and the ability to download them via HTTP.

Link: View Related Information
Description: USGS EarthExplorer (EE) provides users the ability to query, search and order archived ASTER and MODIS products available from the LP DAAC. Registered users of EE have access to additional features than guest users.

Link: View Related Information
Description: The Land Processes Distributed Active Archive Center (LP DAAC) is one of several discipline-specific data centers within the NASA Earth Observing System Data and Information System (EOSDIS). The LP DAAC Web page provides information about available data products, services, documentation, order interfaces, and tools.

Link: View Related Information
Description: The MODIS Land home page is maintained through NASA's Goddard Space Flight Center and documents various aspects of the land component of the MODIS mission.

Geographic Coverage
 N: 90.0 S: -90.0  E: 180.0  W: -180.0

Data Set Citation
Version: 041

Temporal Coverage
Start Date: 2002-05-04

Science Keywords

ISO Topic Category

AQUA >Earth Observing System, AQUA    [Information]

MODIS >Moderate-Resolution Imaging Spectroradiometer    [Information]

Data Set Progress

Creation and Review Dates
DIF Creation Date: 2008-11-12
Last DIF Revision Date: 2016-01-27

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