Global Snow and Subnivium Trends

Visualize global trend in snow free days, snow cover duration, and start and end of frozen season.  Linkes to how global snow and subnivium trends impact snow cover dependent organisms.

Climate Online Aggregation & Summation Tool for Environmental Rasters (

Useful tool for visualizing spatial and temporal patterns within environmental datasets and as variables in statistical models. The tool is designed to meet the information needs of end-user communities interested in decision-support for responding to environmental impacts driven by climate change, land-use activities, and disturbance.

NCAR Climate Data Guide

A go-to source for scientifically sound information and advice on the strengths, limitations, and applications of climate data.

WCRP Climate and Cryosphere (CliC)

A core project of the World Climate Research Programme.

GEOSS Group on Earth Observations (GEO)

The Group on Earth Observations is coordinating efforts to build a Global Earth Observation System of Systems.

NASA Land Measurement Portal

Provides a single location to find information and data products related to terrestrial observations across agencies and institutions.
The Freeze/Thaw Earth System Data Record is available under Surface Hydrology.


NASA Earth Science Data Systems Working Group.


National Snow and Ice Data Center.

BYU Scattermeter Climate Record Pathfinder

Scatterometer-based data time series.

CEOS Essential Climate Variable (ECV) Inventory

Select the CDR_ECV04_40 dataset to view our metdata and link to our data.