MODIS/Terra Snow Cover Daily L3 Global 500m SIN Grid, Version 6

Data set id:

MOD10A1

DOI: 10.5067/MODIS/MOD10A1.006

Data Citation and Acknowledgment
As a condition of using these data, you must cite the use of this data set. Such a practice gives credit to data set producers and advances principles of transparency and reproducibility.

Hall, D. K. & Riggs, G. A. (2016). MODIS/Terra Snow Cover Daily L3 Global 500m SIN Grid. (MOD10A1, Version 6). [Data Set]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/MODIS/MOD10A1.006. [describe subset used if applicable]. Date Accessed 12-11-2024.

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There is a more recent version of these data.
Version Summary

Changes for Version 6 include:

Fractional Snow Cover has been replaced by Normalized Difference Snow Index (NDSI) snow cover. Fractional Snow Cover is no longer calculated;

The binary Snow-Covered Area (SCA) map has been discontinued;

Existing data screens designed to reduce snow detection errors have been revised and several new screens have been added;

Data screen results, including snow detection reversals and detections with increased uncertainty, are provided in a new QA bit flag;

Basic pixel-level QA uses new criteria to indicate the overall quality of algorithm result;

Pointers are provided to locate the swaths used for each day's observation.

Overview

This data set contains daily, gridded snow cover and albedo derived from radiance data acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS) on board the Terra satellite. Snow cover is identified using the Normalized Difference Snow Index (NDSI) and a series of screens designed to alleviate errors and flag uncertain snow cover detections. As of August 2023, this data set is retired and no longer available for download. We recommend using MODIS/Terra Snow Cover Daily L3 Global 500m SIN Grid, Version 61 as an alternative.

Parameter(s):

ALBEDOSNOW COVER

Platform(s):

Terra

Sensor(s):

MODIS

Data Format(s):

HDF-EOS2

Temporal Coverage:

24 February 2000 to 17 February 2023

Temporal Resolution:

1 day

Spatial Resolution:

500 m

500 m

Spatial Coverage:

N:

90

S:

-90

E:

180

W:

-180

Blue outlined yellow areas on the map below indicate the spatial coverage for this data set.

View Metadata Record

Data Access & Tools

This data set has been retired. There is a more recent version of these data.

Documentation

User Guide

MODIS/Terra Snow Cover Daily L3 Global 500m SIN Grid, Version 6 User Guide

Help Articles

General Questions & FAQs

Can I merge different MODIS collections?

For the snow cover and sea ice products, users can use MODIS Collections 6 and 6.1 together.

How do I access data using OPeNDAP?

OPeNDAP, the Open-source Project for a Network Data Access Protocol, is a NASA community standard DAP that provides a simple way for researchers to access and work with data over the internet.

Data products from VIIRS are created to be similar to MODIS data products to ensure the continuity needed for the development of snow and sea ice climate records beyond the life expectancy of MODIS. The temporal resolution and spatial extent are identical in MODIS and VIIRS.

Missing and delayed MODIS data

The lag time between observations and availability of MODIS products is only a few days. Lag time may be extended due to satellite maneuvers and extra quality assurance required for the geolocation data after the maneuver.

This short article describes the customization services available for ICESat-2 data using Earthdata Search

The Normalized Difference Snow Index (NDSI) snow cover is an index that is related to the presence of snow in a pixel and is a more accurate description of snow detection as compared to Fractional Snow Cover (FSC). Snow typically has very high visible (VIS) reflectance and very low reflectan

How to Articles

Filter and order from a data set web page using the Data Access Tool

Many NSIDC DAAC data sets can be accessed using the NSIDC DAAC's Data Access Tool. This tool provides the ability to search and filter data with spatial and temporal constraints using a map-based interface.Users have the option to

To convert HDF5 files into binary format you will need to use the h5dump utility, which is part of the HDF5 distribution available from the HDF Group. How you install HDF5 depends on your operating system.

This step-by-step tutorial demonstrates how to access MODIS and SMAP data using the Application for Extracting and Exploring Analysis Ready Samples (AppEEARS). AppEEARS allows users to access, explore, and download point and area data with spatial, temporal, and parameter subsets.

The "Snow Depth and Snow Cover Data Exploration” Jupyter Notebook provides Python code to access and compare coincident snow data across in-situ, airborne, and satellite platforms from NASA's SnowEx, ASO, and MODIS data sets, respectively.

NSIDC DAAC Data Subscription Requests

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Programmatic Data Access Guide

All data from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) is directly accessible through our HTTPS file system using Wget or curl. This article provides basic command line instructions for accessing data using this method.

This article highlights the NSIDC DAAC data sets available with customization options and outlines a workflow for searching, ordering, and customizing data in NASA Earthdata Search. This approach is ideal for users who want to download data to their local machine.

NASA Worldview is a map interface that allows users to interactively browse imagery, create visualizations, and download the underlying data.

NASA's Global Imagery Browse Services (GIBS) provides up to date, full resolution imagery for selected NSIDC DAAC data sets.