GDALINFO results for original and offset files

offset.sh

# INPUT VERSION
###########################

| => gdalinfo ~/Dropbox/UVM/Dissertation/2014/tnc/richness/avian0.tif
Driver: ELAS/ELAS
Files: /Users/wboykinm/Dropbox/UVM/Dissertation/2014/tnc/richness/avian0.tif
       /Users/wboykinm/Dropbox/UVM/Dissertation/2014/tnc/richness/avian0.tif.aux.xml
Size is 3600, 1735
Coordinate System is:
GEOGCS["WGS 84",
    DATUM["WGS_1984",
        SPHEROID["WGS 84",6378137,298.257223563,
            AUTHORITY["EPSG","7030"]],
        AUTHORITY["EPSG","6326"]],
    PRIMEM["Greenwich",0],
    UNIT["degree",0.0174532925199433],
    AUTHORITY["EPSG","4326"]]
Origin = (-179.050000000745058,83.050000000745058)
Pixel Size = (0.100000001490116,-0.100000001490116)
Corner Coordinates:
Upper Left  (-179.0500000,  83.0500000) (179d 3' 0.00"W, 83d 3' 0.00"N)
Lower Left  (-179.0500000, -90.4500026) (179d 3' 0.00"W, 90d27' 0.01"S)
Upper Right ( 180.9500054,  83.0500000) (180d57' 0.02"E, 83d 3' 0.00"N)
Lower Right ( 180.9500054, -90.4500026) (180d57' 0.02"E, 90d27' 0.01"S)
Center      (   0.9500027,  -3.7000013) (  0d57' 0.01"E,  3d42' 0.00"S)
Band 1 Block=3600x1 Type=Float32, ColorInterp=Undefined
  Min=0.000 Max=847.000 
  Minimum=0.000, Maximum=847.000, Mean=67.099, StdDev=144.312
  NoData Value=-99999
  Metadata:
    STATISTICS_MAXIMUM=847
    STATISTICS_MEAN=67.099199807877
    STATISTICS_MINIMUM=0
    STATISTICS_STDDEV=144.31222362262

# OUTPUT VERSION
###############################

| => gdalinfo ~/Dropbox/UVM/Dissertation/2014/avian1
Driver: GTiff/GeoTIFF
Files: /Users/wboykinm/Dropbox/UVM/Dissertation/2014/avian1
       /Users/wboykinm/Dropbox/UVM/Dissertation/2014/avian1.aux.xml
Size is 3600, 1735
Coordinate System is:
GEOGCS["WGS 84",
    DATUM["WGS_1984",
        SPHEROID["WGS 84",6378137,298.257223563,
            AUTHORITY["EPSG","7030"]],
        AUTHORITY["EPSG","6326"]],
    PRIMEM["Greenwich",0],
    UNIT["degree",0.0174532925199433],
    AUTHORITY["EPSG","4326"]]
Origin = (-179.999988600611658,83.623125171693800)
Pixel Size = (0.100000000000000,-0.100000000000000)
Metadata:
  AREA_OR_POINT=Area
Image Structure Metadata:
  INTERLEAVE=BAND
Corner Coordinates:
Upper Left  (-179.9999886,  83.6231252) (179d59'59.96"W, 83d37'23.25"N)
Lower Left  (-179.9999886, -89.8768748) (179d59'59.96"W, 89d52'36.75"S)
Upper Right ( 180.0000114,  83.6231252) (180d 0' 0.04"E, 83d37'23.25"N)
Lower Right ( 180.0000114, -89.8768748) (180d 0' 0.04"E, 89d52'36.75"S)
Center      (   0.0000114,  -3.1268748) (  0d 0' 0.04"E,  3d 7'36.75"S)
Band 1 Block=3600x1 Type=Float64, ColorInterp=Gray
  Min=-9999.000 Max=847.000 
  Minimum=-9999.000, Maximum=847.000, Mean=-856.790, StdDev=2918.285
  Metadata:
    STATISTICS_MAXIMUM=847
    STATISTICS_MEAN=-856.79004521964
    STATISTICS_MINIMUM=-9999
    STATISTICS_STDDEV=2918.2854802226