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Thursday, 27 January 2011 23:54

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Publications, Reports, and Research:

GIS Analysis of the Surface Drinking Water Provided by Intermittent, Ephemeral and Headwater Streams in the U.S.

The U.S. Environmental Protection Agency has conducted and analysis to examine the extent of different types of streams in the continental United States at the county level. The map was generated as part of an analysis aimed at illuminating regional patterns of dependence on intermittent, ephemeral and headwater streams for water to supply public drinking water systems in the United States, using the most recent, valid data available.

In the continental United States, about 117 million people, over one third of the total U.S. population, get some or all of their drinking water from public drinking water systems that rely at least in part on intermittent, ephemeral, or headwater streams. In the continental U.S., 357,404 total miles of streams provide water for public drinking water systems. Of that total, 58% (207,476 miles) are intermittent, ephemeral, or headwater streams. A more detailed summary of the analysis (PDF) (2 pp, 76K) and breakdown of the results by state (PDF) (1 pg, 175K) and by county (PDF) (31 pp, 3.8MB) are presented here.

New Oregon Wetlands Geodatabase Website Launched!

A statewide wetlands geodatabase containing wetland mapping and hydric soils mapping based on NWI and SSURGO, but enhanced with extensive additional mapping from state, federal, and local governments, NGOs, nonprofits, and academia. Other datasets include FEMA flood zones, sites in the NRCS Wetland Reserve Program, existing wetland mitigation banks, boundaries of local wetland inventories, and recommended priority sites for use in wetland conservation, enhancement, and mitigation.

Visit The Oregon Explorer.

A New Mapping Standard

by Jane Awl, ASWM; Jeanne Christie, ASWM; Margarete Heber, U.S. EPA and Bill Wilen, USFWS (12/09)

Mapping Coalitions

by Jeanne Christie and Leah Stetson, ASWM (12/09)

Utilizing New Technology and GIS to Improve Permitting Programs

by Leah Stetson, ASWM and Jon Soderberg, U.S. Army Corps of Engineers (12/09)

Mapping Wetlands Together: Identifying Partners for Coalitions

by Leah Stetson, ASWM (9/09)

Status Report for the National Wetlands Inventory Program: 2009

Edited by Ralph W Tiner – U.S. Fish and Wildlife Service, Division of Habitat and Resource Conservation.

This report summarizes the status, products, history, and uses of NWI data. To view report, click here.

Wetlands Interactive Mapper Online

The USFWS National Wetlands Inventory launched the Wetlands Interactive Mapper, a web-based, browser-driven system that allows the general public to view digital wetlands data, conduct simple processing (e.g., zoom, pan, identify, etc.) and print a custom map on their desk top printer. Users must have a web browser. Netscape 4.x or Internet Explorer 4.01 work best. The goal of the mapper is to provide information to meet the public's needs concerning their local wetlands and deepwater habitats. It will help people identify potential opportunities and potential problems, set goals, and determine the actions necessary to maintain or improve the "livability" of their communities. The mapper can be found on the NWI web site at http://wetlands.fws.gov

Wetland Mapping – From Mylar to Mosaics and Beyond

by Leah Stetson, ASWM (8/08)

“Land Area Change in Coastal Louisiana (from 1956 – 2006)”

By John A. Barras, Julie C. Bernier, and Robert A. Morton

Common Questions: Wetland Definition, Delineation, and Mapping

by Jon Kusler – Association of State Wetland Managers, Inc. – 06/26/06

This guide pertains to frequently asked questions concerning wetland definition, delineation, and mapping and is designed for local and state government officials, the staffs of land trusts and other environmental organizations, consultants, and others working with wetland protection and restoration. To view in PDF, click here.