Nutrient Sample Sites - Ipswich Watershed - 1999 through 2002 - Idrisi Raster File.

Summary

Short name:

GIS_ip30_info_nutrientsamplesites

Abstract:

This datalayer is part of a group of layers used for research in the Ipswich River Watershed. This layer contains the single pixel locations of each water nutrient sampling site within the
Ipswich River Watershed. This layer is the basis for further analysis of possible influences on nutrient sample site data.

Citation Suggestion:

Aldrich, S., Pontius, R. G., 2019. Nutrient Sample Sites - Ipswich Watershed - 1999 through 2002 - Idrisi Raster File. Environmental Data Initiative. http://dx.doi.org/10.6073/pasta/725a702c6bab57587307542759094867

Data set ID:

258

EML revision ID:

Data sources:

GIS Data Archive Download: GIS_ip30_info_nutrientsamplesites.zip

Locations of chemical samples

PIE Research Areas:

Keywords:

GIS Section:

Section:

Land Use

Core Areas:

Dates

Date Range:

Friday, January 1, 1999 to Tuesday, December 31, 2002

Publication Date:

Thursday, August 1, 2019

People

Owner/Creator:

Robert G. Pontius Jr.

Downloads

Methodology

Methods:

Created ESRI format (ArcView3.2) point shape file from X,Y coordinates. Imported the shape file into Idrisi and converted to
Grid structure to match parameters from Ipswich 30m Study Area Window. NOTE: February 2002, Location of Sample site number 70
was adjusted one column (one 30-meter cell) to the west (from original location: row 299, column 1355, to new location: row 299,
column 1354), in order that the site would be located within the Info_Town Mask window.

Process_Date: 20011215

Information relevant to the GIS data encoding