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EPA's Report on the Environment: External Review Draft



Interactive Maps

Interactive Maps

The table below identifies the ROE indicators that contain interactive maps. Follow the links in the “Exhibit” column to view each map in context. Users who want more detailed information about the underlying mapping services can follow the links in the ˜Geospatial metadata” column, which will bring you to EPA's Environmental Dataset Gateway.

Indicator Exhibit Coverage Scale Geospatial metadata

Acid Deposition

Exhibit 1. Wet sulfate (SO42-) deposition in the contiguous U.S., 1989-1991 and 2009-2011

Contiguous 48 states

Local-scale shaded grid

Wet sulfate deposition, 1989-1991

Wet sulfate deposition, 2009-2011

Exhibit 2. Wet nitrate (NO3-) deposition in the contiguous U.S., 1989-1991 and 2009-2011

Contiguous 48 states

Local-scale shaded grid

Wet nitrate deposition, 1989-1991

Wet nitrate deposition, 2009-2011

Exhibit 3. Total sulfur deposition in the contiguous U.S., 1989-1991 and 2009-2011

Contiguous 48 states

Individual clickable monitoring stations

Total sulfur deposition, 1989-1991

Total sulfur deposition, 2009-2011

Exhibit 4. Total nitrogen deposition in the contiguous U.S., 1989-1991 and 2009-2011

Contiguous 48 states

Individual clickable monitoring stations

Total nitrogen deposition, 1989-1991

Total nitrogen deposition, 2009-2011

Acidity in Lakes and Streams

Exhibit 2. Areas with acid-sensitive waters in the contiguous U.S.

Contiguous 48 states

Reference map with local-scale boundaries

Acid-sensitive waters

Carbon Storage in Forests

Exhibit 2. Forest biomass in U.S. counties per square mile of land, 2013

Contiguous 48 states, southern Alaska, Puerto Rico, U.S. Virgin Islands

Clickable county-level data

Forest biomass per square mile

Exhibit 3. Percent change in carbon stored in U.S. forests, by county, 1990-2013

Contiguous 48 states, southern Alaska, Puerto Rico, U.S. Virgin Islands

Clickable county-level data

Carbon storage percent change

Ecological Connectivity

Exhibit 1. Ecological hubs and corridors in the contiguous U.S., based on 2001 NLCD

Contiguous 48 states

Local-scale shaded grid (30-meter pixels)

Ecological hubs and corridors

Fish Faunal Intactness

Exhibit 1. Percent reduction in native fish species diversity in the contiguous U.S. from historical levels to 2006

Contiguous 48 states

Clickable watersheds (generally several watersheds per state)

Percent reduction of fish fauna

Exhibit 3. Percent reduction in native fish species diversity in the contiguous U.S. from historical levels to 2006

Contiguous 48 states

Clickable watersheds (generally several watersheds per state)

Absolute reduction of fish fauna

Hypoxia in Gulf of Mexico and Long Island Sound

Exhibit 2. Dissolved oxygen less than 2.0 mg/L in Gulf of Mexico bottom waters, July 22-27, 2012

Offshore Louisiana and Texas

Local-scale shaded boundary; individual clickable sampling sites

Gulf of Mexico hypoxia zones

Gulf of Mexico hypoxia sample locations

Exhibit 5. Dissolved oxygen in Long Island Sound bottom waters, August 13-17, 2012

Long Island Sound

Local-scale shaded grid; individual clickable sampling sites

Long Island Sound hypoxia zones

Long Island Sound hypoxia sample locations

Land Cover

Exhibit 1. Land cover of the contiguous U.S., based on 2006 NLCD

Contiguous 48 states

Local-scale shaded grid (30-meter pixels)

Land cover

Radon: Homes Above EPA's Action Level

Exhibit 2. EPA map of radon zones

50 states

Clickable county-level data

Radon zones

Sea Level

Exhibit 2. Changes in absolute sea level along U.S. coasts, 1993-2012

Global ocean

Local-scale shaded grid (each pixel measures 0.25 degrees latitude by 0.25 degrees longitude)

Absolute sea level change

Exhibit 3. Relative sea level change along U.S. coasts, 1960-2012

U.S. ocean coasts

Individual clickable monitoring stations

Relative sea level change

Temperature and Precipitation

Exhibit 4. Rate of temperature change in the U.S., 1901-2012

50 states

Regional-scale shaded grid (each cell measures 2.5 degrees latitude by 3.5 degrees longitude)

Temperature change

Exhibit 8. Rate of precipitation change in the U.S., 1901-2012

50 states

Regional-scale shaded grid (each cell measures 2.5 degrees latitude by 3.5 degrees longitude)

Precipitation change


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