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ISO 19139 Metadata Implementation Specification GML3.2
FALSE
SaintJohn_NADR.ers
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GCS_North_American_1983_CSRS
Linear Unit: Meter (1.000000)
NAD_1983_CSRS_New_Brunswick_Stereographic
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ISO19115_3
<DIV STYLE="text-align:Left;"><P STYLE="font-size:16ptmargin:0 0 0 0;"><SPAN><SPAN>A 1000 m grid of airborne radiometric Natural Absorbed Dose Rate (NADR, also referred to as Total Counts) for the Saint John survey area, New Brunswick (1983).</SPAN></SPAN></P><P STYLE="font-size:16ptmargin:0 0 0 0;"><SPAN><SPAN>This dataset represents the Natural Absorbed Dose Rate (NADR) measured during the Saint John airborne radiometric survey flown in 1983 at 1000 m line spacing. NADR reflects the total gamma-ray counts from near-surface rocks and provides a measure of overall natural radioactivity within the survey area. The dataset is provided in NB Stereographic double (NAD83) for consistent integration with provincial datasets.</SPAN></SPAN></P><P STYLE="font-size:16ptmargin:0 0 0 0;"><SPAN>The SaintJohn_NADR raster was produced by microlevelling line-to-line variations in the original survey data and interpolating the results to a seamless 1000 m grid. The final raster was delivered as a .ers file in NB Stereographic double (NAD83).</SPAN></P><DIV><DIV><P><SPAN>The dataset is not updated regularly. Updates occur only if new reprocessing, corrections, or additional surveys become available. As of now, the compilation represents the most recent processing as of December 2025.</SPAN></P></DIV></DIV></DIV>
Amirabbas Karbalaeiramezanali
GSB
amirabbas.karbalaeiramezanali@gnb.ca
Serge Allard
GSB
Serge.Allard@gnb.ca
Serge Alard
Serge Allard
Serge Allard
Hernan Ugalde
hernan.ugalde@dipgeosciences.com
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Sensitivity: Public/Unclassified</SPAN></P><P><SPAN>Retention: 5 Years</SPAN></P></DIV></DIV></DIV>
NB Dept of Natural Resources, GSB Section
Version 6.2 (Build 9200) ; Esri ArcGIS 10.8.1.14362
SaintJohn_NADR
1
-67.065294
-66.201325
45.604772
44.951957
A 1000 m grid of airborne radiometric Natural Absorbed Dose Rate (NADR, also referred to as Total Counts) for the Saint John survey area, New Brunswick (1983).
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2455900.000000 7328100.000000
2455900.000000 7400500.000000
2523300.000000 7400500.000000
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Band_1
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Raster Dataset
dataset
EPSG
6.2(9.3.0.0)
20260122