This file contains meta-data for file 
<1973-01 Webber IBP Microtopographic Grid Grid Cell Data Barrow.txt>.

Contains data collected on land cover from Webber's
IBP microtopographic grid collected in 1973, 1999, 2000 and 2001 at Barrow, Alaska.

GENERAL INFORMATION
PI/DATA CONTACT= Webber, Patrick J (MSU)/ Tweedie, Craig E
FUNDING SOURCE AWARD # = NSF OPP 9906692
DATA COVERAGE = START: 19730601; STOP: 20010831 UTC
PLATFORM/SITE = Barrow, Alaska (71o19'N 156o37'W);
INSTRUMENT = None.
DATA VERSION = 1.0 (25 January 2002), 
               PRELIMINARY [likely to contain errors]

CONTACT INFORMATION
Craig E. Tweedie
100 North Kedzie Hall
Michigan State University
East Lansing, MI  48824-1031
Voice: 517 355-1285
Fax:   517 432-2150
Email: tweedie@msu.edu

DATA COLLECTION
Data were collected in the 50cm by 50cm cells of the grid.

META-DATA FORMAT
The following prefixes have been used to designate data type.
   str - indicates string (text) data
   dtm - indicates date time data
   num - indicates numeric data
   mem - indicates memo data

FIELD DESCRIPTIONS for:
<1973-01 Webber IBP Microtopographic Grid Grid Cell Data Barrow.txt>.

strGridCell	- Grid cell number
numX1Point	- Lowest X grid axis peg distance from origin of grid
numX2Point	- Highest X grid axis peg distance from origin of grid
numY1Point	- Lowest Y grid axis peg distance from origin of grid
numY2Point	- Highest Y grid axis peg distance from origin of grid
Position1973 - Microtopographic position of grid cell in 1973 (1=polygon rim, 2=polygon low center, 3=polygon trough). 
Position2000 - Microtopographic position of grid cell in 2001 (1=polygon rim, 2=polygon low center, 3=polygon trough).
strGridArea1973 -	Grid cell area cm2 in 1973.
strGridArea2000 -	Grid cell area cm2 in 2000.
numSoilWater19730703 - Percentage soil moisture on 3rd July 1973.
numSoilWater19730713 - Percentage soil moisture on 13th July 1973.	
numSoilWater19730727 - Percentage soil moisture on 27 July 1973.	
numSoilWater19730807 - Percentage soil moisture on 7th August 1973.


NOTE
John Batty and Skip Walker collected 1973 data. Bob Hollister and Elise Poole collected 1999 data. Craig Tweedie collected 2000 and 2001 data. Craig Tweedie performed data entry, quality checking and management.