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USGCRP Indicators Catalog

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Indicators are observations or calculations that can be used to track conditions and trends. Indicators related to climate—which may be physical, ecological, or societal—can be used to understand how environmental conditions are changing, assess risks and vulnerabilities, and help inform resiliency and planning for climate impacts.

Annual Greenhouse Gas Index
This indicator shows the cumulative change in the mass balance of Arctic glaciers.
Arctic Glacier Mass Balance
Arctic Sea Ice Extent
Atlantic Tropical Cyclone Days
Atmospheric Carbon Dioxide
The bar graph shows the number of individual climate and weather events that caused more than one billion dollars of direct losses each year.
Billion Dollar Disasters
Frost-Free Season
Global Surface Temperatures
Heat Waves
Heating and Cooling Degree Days
Heavy Precipitation Indicator
Heavy Precipitation
All Marine Species Distribution
Marine Species Distribution
Ocean Chlorophyll Concentration
Ocean Chlorophyll Concentrations
Global Sea Level Rise
Sea Level Rise
Sea Surface Temperatures
The bars on the graph show the number of days by which the start of spring differs from the average start of spring during the last century.
Start of Spring
Terrestrial Carbon Dioxide Emissions
Terrestrial Carbon Storage
U.S. Surface Temperatures

Selected USGCRP and Other Federal Products

  • EPA's Indicators Report on Seasonality and Climate Change
  • USDA’s Climate Indicators for Agriculture report (July 2020)
  • USGCRP Indicators Fact Sheet
  • Fourth National Climate Assessment
  • Climate Science Special Report

Indicator Announcements and Opportunities

  • Arctic Observing Network
  • NOAA Funding Opportunities for Developing Indicators (FY19 NOAA/CPO/MAPP)
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