1991 Study Units - Final Data Aggregation

Ancillary GIS data for 1991 NAWQA ground water studies (LUS, SUS)

This page contains various summary tables pertaining to ancillary data for ground water polygons (Land Use Studies [LUS] and Study Unit Surveys [SUS]) in the NAWQA study units that began in 1991. The polygon coverages are also available.

• Ancillary data for ground water polygons (LUS and SUS)
  • General info
  • Land use (summary tables)
  • Soils (summary tables)
  • Nitrogen (summary tables)
  • NRI data (summary tables)
  • Soils, terrain, hydrologic, climate, and land-cover characteristics data from Dave Wolock (summary tables)

General info

• Area of overall boundary coverages for LUS and SUS

Land use

• Metadata - Html format|| Text format
• Data file (82 KB tar file)

Soils

• Slope, water table depth, depth to bedrock, permeability, available water capacity, bulk density, organic matter content, soil erodibility factor, soil loss tolerance, wind erodibility group, and soil texture.
  • Metadata - Html format|| Text format
  • Data file (65 KB tar file)
• Hydrologic group
  • Metadata - Html format|| Text format
  • Data file (49 KB tar file)

Nitrogen - fertilizer, manure, atmospheric deposition

• Metadata - Html format|| Text format
• RDB Data file (4 KB)
• INFO Data file (10 KB)

• Metadata - Html format|| Text format
• RDB Data file (5.5 KB)
• INFO Data file (12 KB)

National Resources Inventory - artificial drainage, type of irrigation, conservation tillage

• Metadata - Html format|| Text format
• INFO File (8 KB)
• RDB File file (4 KB)

Soils, terrain, hydrologic, climate, and land-cover characteristics data from Dave Wolock

• Metadata - No formal metadata available. See text file. Data is for FY91 ground water study LUS and SUS polygons.
• Data files
  • INFO file (3.4 MB)
  • RDB file (1.7 MB)