Tide Gauge Records, Davis, Australian Antarctic Territory
Tides are measured using a submerged pressure type gauge secured in a heavy concrete mooring at Davis in 7 metres of seawater.\nTidal records are retrieved from the gauge using an inductive loop lowered through a hole in the ice hence the gauge has been undisturbed since it was deployed.\n \nDocumen...
Other Authors: | |
---|---|
Format: | Dataset |
Language: | unknown |
Published: |
data.gov.au
|
Subjects: | |
Online Access: | https://researchdata.edu.au/tide-gauge-records-antarctic-territory/1932627 http://data.gov.au/dataset/6f25f6b8-6968-495e-80a1-49786bfe5db7 |
id |
ftands:oai:ands.org.au::1932627 |
---|---|
record_format |
openpolar |
spelling |
ftands:oai:ands.org.au::1932627 2023-09-05T13:13:02+02:00 Tide Gauge Records, Davis, Australian Antarctic Territory Australian Antarctic Division (isOwnedBy) Spatial: 77.965,-68.585 77.975,-68.585 77.975,-68.575 77.965,-68.575 77.965,-68.585 Spatial: true https://researchdata.edu.au/tide-gauge-records-antarctic-territory/1932627 http://data.gov.au/dataset/6f25f6b8-6968-495e-80a1-49786bfe5db7 unknown data.gov.au https://researchdata.edu.au/tide-gauge-records-antarctic-territory/1932627 http://data.gov.au/dataset/6f25f6b8-6968-495e-80a1-49786bfe5db7 tide-gauge-records-davis-australian-antarctic-territory Australian Antarctic Division AMD ANTARCTICA CEOS MOORINGS SOUTHERN OCEAN TIDE GAUGE TIDE GAUGES TIDES dataset ftands 2023-08-14T22:59:00Z Tides are measured using a submerged pressure type gauge secured in a heavy concrete mooring at Davis in 7 metres of seawater.\nTidal records are retrieved from the gauge using an inductive loop lowered through a hole in the ice hence the gauge has been undisturbed since it was deployed.\n \nDocumentation dated 2001-03-07\nDavis Submerged Tide Gauge \n\nThe gauge used at Davis was designed in 1991/2 by Platypus Engineering, Hobart, Tasmania . It was intended to be submerged in about 7 metres of water in a purpose made concrete mooring in the shape of a truncated pyramid. The gauge measures pressure using a Paroscientific Digiquartz Pressure Transducer with a full scale pressure of 30 psi absolute. The accuracy of the transducer is 1 in 10,000 of full scale over the calibrated temperature. The overall accuracy of the system is better than +/- 3 mm for a known water density. Data is retrieved from the gauges by lowering a coil assembly on the end of a cable over a projecting knob on the top of the gauge and by use of an interface unit, a serial connection can be established to the gauge. Time setting and data retrieval can be then achieved. One of these of these gauges was deployed at Davis in early 1993 in a mooring in ???? bay. Data has been retrieved from these gauges irregularly since then. The records are complete since deployment except for a few days in late 1995. The loss was caused by a fault in the software which allows directory entries to overwrites data when the directory memory has been filled. Conversion of raw data to tidal records is done as detailed in document DATAFORMAT1.DOC . As the current gauge is expected to require a new battery soon, a new mooring has been placed close to the original. A new gauge is at Davis ready to be deployed as time permits.\nLevelling\n\nLevelling of the gauge at Davis was done by installing a temporary pressure type gauge in shallow water and recording sealevel for 10 days. The temporary gauge was precisely levelled to a permanent benchmark. The temporary gauge was ... Dataset Antarc* Antarctic Antarctica Southern Ocean Research Data Australia (Australian National Data Service - ANDS) Antarctic Australian Antarctic Territory Psi ENVELOPE(-63.000,-63.000,-64.300,-64.300) Pyramid ENVELOPE(157.300,157.300,-81.333,-81.333) Pyramid The ENVELOPE(163.500,163.500,-78.350,-78.350) Southern Ocean |
institution |
Open Polar |
collection |
Research Data Australia (Australian National Data Service - ANDS) |
op_collection_id |
ftands |
language |
unknown |
topic |
AMD ANTARCTICA CEOS MOORINGS SOUTHERN OCEAN TIDE GAUGE TIDE GAUGES TIDES |
spellingShingle |
AMD ANTARCTICA CEOS MOORINGS SOUTHERN OCEAN TIDE GAUGE TIDE GAUGES TIDES Tide Gauge Records, Davis, Australian Antarctic Territory |
topic_facet |
AMD ANTARCTICA CEOS MOORINGS SOUTHERN OCEAN TIDE GAUGE TIDE GAUGES TIDES |
description |
Tides are measured using a submerged pressure type gauge secured in a heavy concrete mooring at Davis in 7 metres of seawater.\nTidal records are retrieved from the gauge using an inductive loop lowered through a hole in the ice hence the gauge has been undisturbed since it was deployed.\n \nDocumentation dated 2001-03-07\nDavis Submerged Tide Gauge \n\nThe gauge used at Davis was designed in 1991/2 by Platypus Engineering, Hobart, Tasmania . It was intended to be submerged in about 7 metres of water in a purpose made concrete mooring in the shape of a truncated pyramid. The gauge measures pressure using a Paroscientific Digiquartz Pressure Transducer with a full scale pressure of 30 psi absolute. The accuracy of the transducer is 1 in 10,000 of full scale over the calibrated temperature. The overall accuracy of the system is better than +/- 3 mm for a known water density. Data is retrieved from the gauges by lowering a coil assembly on the end of a cable over a projecting knob on the top of the gauge and by use of an interface unit, a serial connection can be established to the gauge. Time setting and data retrieval can be then achieved. One of these of these gauges was deployed at Davis in early 1993 in a mooring in ???? bay. Data has been retrieved from these gauges irregularly since then. The records are complete since deployment except for a few days in late 1995. The loss was caused by a fault in the software which allows directory entries to overwrites data when the directory memory has been filled. Conversion of raw data to tidal records is done as detailed in document DATAFORMAT1.DOC . As the current gauge is expected to require a new battery soon, a new mooring has been placed close to the original. A new gauge is at Davis ready to be deployed as time permits.\nLevelling\n\nLevelling of the gauge at Davis was done by installing a temporary pressure type gauge in shallow water and recording sealevel for 10 days. The temporary gauge was precisely levelled to a permanent benchmark. The temporary gauge was ... |
author2 |
Australian Antarctic Division (isOwnedBy) |
format |
Dataset |
title |
Tide Gauge Records, Davis, Australian Antarctic Territory |
title_short |
Tide Gauge Records, Davis, Australian Antarctic Territory |
title_full |
Tide Gauge Records, Davis, Australian Antarctic Territory |
title_fullStr |
Tide Gauge Records, Davis, Australian Antarctic Territory |
title_full_unstemmed |
Tide Gauge Records, Davis, Australian Antarctic Territory |
title_sort |
tide gauge records, davis, australian antarctic territory |
publisher |
data.gov.au |
url |
https://researchdata.edu.au/tide-gauge-records-antarctic-territory/1932627 http://data.gov.au/dataset/6f25f6b8-6968-495e-80a1-49786bfe5db7 |
op_coverage |
Spatial: 77.965,-68.585 77.975,-68.585 77.975,-68.575 77.965,-68.575 77.965,-68.585 Spatial: true |
long_lat |
ENVELOPE(-63.000,-63.000,-64.300,-64.300) ENVELOPE(157.300,157.300,-81.333,-81.333) ENVELOPE(163.500,163.500,-78.350,-78.350) |
geographic |
Antarctic Australian Antarctic Territory Psi Pyramid Pyramid The Southern Ocean |
geographic_facet |
Antarctic Australian Antarctic Territory Psi Pyramid Pyramid The Southern Ocean |
genre |
Antarc* Antarctic Antarctica Southern Ocean |
genre_facet |
Antarc* Antarctic Antarctica Southern Ocean |
op_source |
Australian Antarctic Division |
op_relation |
https://researchdata.edu.au/tide-gauge-records-antarctic-territory/1932627 http://data.gov.au/dataset/6f25f6b8-6968-495e-80a1-49786bfe5db7 tide-gauge-records-davis-australian-antarctic-territory |
_version_ |
1776202979973529600 |