• From Wednesday, August 24, 2:00 p.m. to Friday, August 26, 2:00 p.m. (USA Mountain Time), the following data collections will not be available due to planned system maintenance: AMSR Unified, AMSR-E, Aquarius, High Mountain Asia, IceBridge, ICESat/GLAS, ICESat-2, LVIS, MEaSUREs, MODIS, SMAP, SnowEx, SSM/I-SSMIS and VIIRS.

  • Welcome to the new nsidc.org! Please note that we are in a beta launch of this website. During the beta phase, our website search may act unpredictably until the website stabilizes.

Soil Moisture Active Passive (SMAP) L4 Soil Moisture Ancillary Catchment Model Tile Space, Version 1 (SMAP_L4_SM_ANC_CAT_TILE)
Data set:
SMAP_L4_SM_ANC_CAT_TILE
Citation
Subscribe
Service
This is the most recent version of these data.
Version Summary
Initial release

Overview

This ancillary SMAP product contains tile information for the NASA Land Data Assimilation System (LDAS) Catchment model, including center-of-mass latitude/longitude, minimum/maximum latitude/longitude, and the land area fraction of tiles.
Data Contributor(s):
Reichle, R., Q. Liu, J. Ardizzone, G. De Lannoy, R. D. Koster, and S. Mahanama.
Parameter(s):
GEOLOCATION
Platform(s):
MODELS
Sensor(s):
NOT APPLICABLE
Data Format(s):
Binary, ASCII
Temporal Coverage:
31 January 2015 to present
Temporal Resolution:
Not applicable
Spatial Resolution:
Not applicable
Not applicable
Spatial Coverage:
N:
86.4
S:
-86.4
E:
180
W:
-180

Data Access & Tools

A free NASA Earthdata Login account is required to access these data. Learn More

Documentation

General Resources

Help Articles

How To

Many NSIDC data set web pages provide the ability to search and filter data with spatial and temporal contstraints using a map-based interface. This article outlines how to order NSIDC DAAC data using advanced searching and filtering. 

Getting started

SMAP Ancillary data sets are used to produce SMAP Level-1, -2, -3, and -4 standard data products.