Wetland Areas - Ipswich Watershed - Idrisi Raster File.

Summary

Short name: 

GIS_ip30_info_wetlands

Abstract: 

This map shows the location of wetland areas inside of the Ipswich River watershed sudy area.

Citation Suggestion: 

Aldrich, S., , Pontius, R. G. 2019. Wetland Areas - Ipswich Watershed - Idrisi Raster File. Environmental Data Initiative. http://dx.doi.org/10.6073/pasta/68b96ac019092f96f3c2ce34f7751dbc

Data set ID: 

267

EML revision ID: 

2

Data sources: 

GIS Data Archive Download: GIS_ip30_info_wetlands.zip

Wetland areas in the Ipswich watershed

Categories

PIE Research Areas: 

Keywords: 

GIS Section: 

Section: 

Dates

Date Range: 

Monday, January 1, 2001 to Monday, December 31, 2001

Publication Date: 

Thursday, August 1, 2019
People

Owner/Creator: 

Stephen Aldrich
Clark University
Robert G. Pontius Jr.
Plum Island Ecosystems LTER

Contact: 

PIE LTER Information Manager
Related
Downloads
Methodology

Methods: 

1. Overlay (*) ip30_noinfo_wetlands and ip30_info_townmask

2. Crosstab the overlay output with ip30_info_townmask

3. Reclass the crosstab output code 2 to code 28 and all else 0

4. Overlay (+) category 28 and the overlay output from step 1 and that = ip30_info_wetlands

Process_Date: 7/9/2001

 

Information relevant to the GIS data encoding

Wetland areas in the Ipswich watershedHorizontal Coordinate System Name:NAD 1983 StatePlane Massachusetts Mainland FIPS 2001

Datum: D North American 1983
Reference Ellipsoid: Name: GRS 1980 Semi Axis: 6378137.0
Meridian: Greenwich
Projection Name : Lambert Conformal Conic
Number of bands : 1
Raster Origin : Lower Left
Rows : 1152
Columns : 1692
Cell Geometry :pixel