2DBCB7711FC106B6E040CD9B0F274EFEEnglishData Requests OfficerDepartment of Environment, Parks and Water SecurityGeospatial Services Branch (on behalf of department)datarequests.depws@nt.gov.au2020-10-28AS/NZS ISO 19115 Geographic Information - Metadata, ANZLIC Metadata Profile1.0Bores sites in the Northern Territory.2000-01-14ANZNT0001000057Bores - This data represent the location and key attributes of all drill holes within Northern Territory. Drill holes contained within the dataset may be currently active or historic and may have been drilled for a wide variety of purposes such as water extraction, investigation and monitoring.
Bore groundwater level - This data represent water level in the bores, a time series data where the data is measured at frequent continuous intervals.
Bore AHD - Bores height from Shuttle Radar Topography Mission (SRTM) 1 sec DEM-S (V1.0) in AHD. Extracted May 2020. Extraction twice a year.Download the spatial data package (contains spatial data, maps and reports) via https://data.nt.gov.au/
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Supplied by the Department of Environment and Natural Resources. Copyright Northern Territory Government.English-25.998618-10.998579129.001222138.0012461985-01-012019-08-09datasetnot knownContinually updated and maintained.0not knownNot Applicable0not knownBefore 1995 - the positional accuracy of sites is deemed low with with a standard deviation of +/- 300 - 10 000 metres. A poor positional accuracy resulted from inconsistencies with the collection/storage of positional data and original mapping formats. Some of locational accuracy of these sites is being upgraded from poor to high wiht the the use of GPS.
From 1995 - the positional accuracy of sites is deemed high with a standard deviation of +/-3 - 10 metres with the use of GPS.
0not knownThe accuracy of the sites attribute information is considered high and conforms to the Department standard at time of capture.0Before 1995 - site locations were collected using the property boundary, NT cadastre and/or 1:250,000 topographic maps. Site data is manually recorded using log book or site sheets. Data was manually entered into the water data management database.
From 1995 - site locations were collected using GPS,1:25,000 and 1:50,000 topographic maps. Site data is manually recorded using log book or site sheets and digital logger devices. Depending on the method of capture the information is either manually or electronically down-loaded directly into the water data management database.