Tacheometric Survey Near Davis, 1978-79
A copy of field notes compiled during the course of the tacheometric survey of Davis Station and vicinity during the 1978-79 summer season. Taken from Wikipedia: Tacheometry, is a system of rapid surveying, by which the horizontal and vertical positions of points on the earth's surface relative...
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Australian Antarctic Data Centre
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ftands:oai:ands.org.au::700849 2023-05-15T13:46:58+02:00 Tacheometric Survey Near Davis, 1978-79 MURPHY, B. (hasPrincipalInvestigator) MURPHY, B. (processor) Australian Antarctic Data Centre (publisher) Spatial: northlimit=-68.0; southlimit=-69.0; westlimit=77.0; eastLimit=79.0; projection=WGS84 Temporal: From 1978-07-01 to 1979-06-30 https://researchdata.ands.org.au/tacheometric-survey-near-1978-79/700849 https://data.aad.gov.au/metadata/records/davis_tacheometric_1978 http://nla.gov.au/nla.party-617536 unknown Australian Antarctic Data Centre https://researchdata.ands.org.au/tacheometric-survey-near-1978-79/700849 e6ebef0a-3ba3-492f-b083-234d187c3f8e davis_tacheometric_1978 https://data.aad.gov.au/metadata/records/davis_tacheometric_1978 http://nla.gov.au/nla.party-617536 Australian Antarctic Data Centre elevation SNOW COVER EARTH SCIENCE CRYOSPHERE SNOW/ICE TACHEOMETRY SURVEYING TOOLS FIELD INVESTIGATION FIELD SURVEYS TRAVERSE > Logistic tractor traverse CONTINENT > ANTARCTICA GEOGRAPHIC REGION > POLAR dataset ftands 2020-01-05T21:18:05Z A copy of field notes compiled during the course of the tacheometric survey of Davis Station and vicinity during the 1978-79 summer season. Taken from Wikipedia: Tacheometry, is a system of rapid surveying, by which the horizontal and vertical positions of points on the earth's surface relative to one another are determined without using a chain or tape, or a separate levelling instrument. Instead of the pole formerly employed to mark a point, a staff similar to a level staff is used. This is marked with heights from the base or foot, and is graduated according to the form of tacheometer in use. The horizontal distance is inferred from the vertical angle included between two well-defined points on the staff and the known vertical distance between them. Alternatively, also by readings of the staff indicated by two fixed stadia wires in the diaphragm (reticle) of the telescope. The difference of height is computed from the angle of depression or elevation of a fixed point on the staff and the horizontal distance already obtained. The azimuth angle is determined as formerly. Thus all the measurements requisite to locate a point both vertically and horizontally with reference to the point where the tacheometer is centred are determined by an observer at the instrument without any assistance beyond that of a man to hold the staff. Dataset Antarc* Antarctica Research Data Australia (Australian National Data Service - ANDS) Davis Station ENVELOPE(77.968,77.968,-68.576,-68.576) Davis-Station ENVELOPE(77.968,77.968,-68.576,-68.576) ENVELOPE(77.0,79.0,-68.0,-69.0) |
institution |
Open Polar |
collection |
Research Data Australia (Australian National Data Service - ANDS) |
op_collection_id |
ftands |
language |
unknown |
topic |
elevation SNOW COVER EARTH SCIENCE CRYOSPHERE SNOW/ICE TACHEOMETRY SURVEYING TOOLS FIELD INVESTIGATION FIELD SURVEYS TRAVERSE > Logistic tractor traverse CONTINENT > ANTARCTICA GEOGRAPHIC REGION > POLAR |
spellingShingle |
elevation SNOW COVER EARTH SCIENCE CRYOSPHERE SNOW/ICE TACHEOMETRY SURVEYING TOOLS FIELD INVESTIGATION FIELD SURVEYS TRAVERSE > Logistic tractor traverse CONTINENT > ANTARCTICA GEOGRAPHIC REGION > POLAR Tacheometric Survey Near Davis, 1978-79 |
topic_facet |
elevation SNOW COVER EARTH SCIENCE CRYOSPHERE SNOW/ICE TACHEOMETRY SURVEYING TOOLS FIELD INVESTIGATION FIELD SURVEYS TRAVERSE > Logistic tractor traverse CONTINENT > ANTARCTICA GEOGRAPHIC REGION > POLAR |
description |
A copy of field notes compiled during the course of the tacheometric survey of Davis Station and vicinity during the 1978-79 summer season. Taken from Wikipedia: Tacheometry, is a system of rapid surveying, by which the horizontal and vertical positions of points on the earth's surface relative to one another are determined without using a chain or tape, or a separate levelling instrument. Instead of the pole formerly employed to mark a point, a staff similar to a level staff is used. This is marked with heights from the base or foot, and is graduated according to the form of tacheometer in use. The horizontal distance is inferred from the vertical angle included between two well-defined points on the staff and the known vertical distance between them. Alternatively, also by readings of the staff indicated by two fixed stadia wires in the diaphragm (reticle) of the telescope. The difference of height is computed from the angle of depression or elevation of a fixed point on the staff and the horizontal distance already obtained. The azimuth angle is determined as formerly. Thus all the measurements requisite to locate a point both vertically and horizontally with reference to the point where the tacheometer is centred are determined by an observer at the instrument without any assistance beyond that of a man to hold the staff. |
author2 |
MURPHY, B. (hasPrincipalInvestigator) MURPHY, B. (processor) Australian Antarctic Data Centre (publisher) |
format |
Dataset |
title |
Tacheometric Survey Near Davis, 1978-79 |
title_short |
Tacheometric Survey Near Davis, 1978-79 |
title_full |
Tacheometric Survey Near Davis, 1978-79 |
title_fullStr |
Tacheometric Survey Near Davis, 1978-79 |
title_full_unstemmed |
Tacheometric Survey Near Davis, 1978-79 |
title_sort |
tacheometric survey near davis, 1978-79 |
publisher |
Australian Antarctic Data Centre |
url |
https://researchdata.ands.org.au/tacheometric-survey-near-1978-79/700849 https://data.aad.gov.au/metadata/records/davis_tacheometric_1978 http://nla.gov.au/nla.party-617536 |
op_coverage |
Spatial: northlimit=-68.0; southlimit=-69.0; westlimit=77.0; eastLimit=79.0; projection=WGS84 Temporal: From 1978-07-01 to 1979-06-30 |
long_lat |
ENVELOPE(77.968,77.968,-68.576,-68.576) ENVELOPE(77.968,77.968,-68.576,-68.576) ENVELOPE(77.0,79.0,-68.0,-69.0) |
geographic |
Davis Station Davis-Station |
geographic_facet |
Davis Station Davis-Station |
genre |
Antarc* Antarctica |
genre_facet |
Antarc* Antarctica |
op_source |
Australian Antarctic Data Centre |
op_relation |
https://researchdata.ands.org.au/tacheometric-survey-near-1978-79/700849 e6ebef0a-3ba3-492f-b083-234d187c3f8e davis_tacheometric_1978 https://data.aad.gov.au/metadata/records/davis_tacheometric_1978 http://nla.gov.au/nla.party-617536 |
_version_ |
1766245988901584896 |