MSU Remote Sensing & GIS

FIELD DEFINITION LIST FOR WELLS_SUMMARY Shape file

May 25, 2005

WELLOGIC FIELDS

FIELD Description

ESRI

WELLID Wellogic ID number (unique identifying number, first 2 digits represent county number)

Alias: WELLID
Data type: String
Width: 11

CREATE ROCK & DRIFT WELL FIELDS

FIELD Description

AQ_CODE [Data Problem Flag]

N No Lithology Record

B Blank (null aqtype)

D Drift Well

R Rock Well

U Unknown Lithology

Calculated values used in GWMAP Project for glacial deposits

FIELD Description

Alias: AQ_CODE_1
Data type: String
Width: 254

HIT_SWL T = Analysis stopped because hit SWL

F = Analysis stopped because hit a qualifying confining unit

Alias: HIT_SWL
Data type: String
Width: 254

ATHK2 Aquifer Thickness (ft) within Analysis Zone2

Analysis Zone2: from [SCREEN_TO] upward to

the SWL

Alias: ATHK2
Data type: Number
Width: 19
Number of decimals: 5

HCOND2 Horizontal Conductivity (ft/day) in Zone2

Alias: HCOND2
Data type: Number
Width: 19
Number of decimals: 5

VCOND2 Vertical Conductivity (ft/day) in Zone 2

Alias: VCOND2
Data type: Number
Width: 19
Number of decimals: 5

T2 Transitivity (ft² / day) of Zone 2

Alias: T2
Data type: Number
Width: 19
Number of decimals: 5

D50PLEK Yield (gpm) limited to 50% of drawdown in the aquifer

________________________________________________

Justin M. Booth, GISP
Remote Sensing and GIS Research and Outreach Services
Department of Geography
Michigan State University
(517) 432-0446
boothj@msu.eduAlias: D50PLEK
Data type: Number
Width: 19
Number of decimals: 5