Spatial modelling of wetness for the Antarctic Dry Valleys
This paper describes a method used to model relative wetness for part of the Antarctic Dry Valleys using Geographic Information Systems (GIS) and remote sensing. The model produces a relative index of liquid water availability using variables that influence the volume and distribution of water. Remo...
Published in: | Polar Research |
---|---|
Main Authors: | , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Norwegian Polar Institute
2011
|
Subjects: | |
Online Access: | https://doi.org/10.3402/polar.v30i0.6330 https://doaj.org/article/c17a78cc816f4ef498086b07c592876a |
id |
fttriple:oai:gotriple.eu:oai:doaj.org/article:c17a78cc816f4ef498086b07c592876a |
---|---|
record_format |
openpolar |
spelling |
fttriple:oai:gotriple.eu:oai:doaj.org/article:c17a78cc816f4ef498086b07c592876a 2023-05-15T14:03:00+02:00 Spatial modelling of wetness for the Antarctic Dry Valleys Glen Stichbury Lars Brabyn T.G. Allan Green Craig Cary 2011-03-01 https://doi.org/10.3402/polar.v30i0.6330 https://doaj.org/article/c17a78cc816f4ef498086b07c592876a en eng Norwegian Polar Institute doi:10.3402/polar.v30i0.6330 0800-0395 1751-8369 https://doaj.org/article/c17a78cc816f4ef498086b07c592876a undefined Polar Research, Vol 30, Iss 0, Pp 1-11 (2011) GIS water Antarctica remote sensing geo envir Journal Article https://vocabularies.coar-repositories.org/resource_types/c_6501/ 2011 fttriple https://doi.org/10.3402/polar.v30i0.6330 2023-01-22T19:35:59Z This paper describes a method used to model relative wetness for part of the Antarctic Dry Valleys using Geographic Information Systems (GIS) and remote sensing. The model produces a relative index of liquid water availability using variables that influence the volume and distribution of water. Remote sensing using Moderate Resolution Imaging Spectroradiometer (MODIS) images collected over four years is used to calculate an average index of snow cover and this is combined with other water sources such as glaciers and lakes. This water source model is then used to weight a hydrological flow accumulation model that uses slope derived from Light Detection and Ranging (LIDAR) elevation data. The resulting wetness index is validated using three-dimensional visualization and a comparison with a high-resolution Advanced Land Observing Satellite image that shows drainage channels. This research demonstrates that it is possible to produce a wetness model of Antarctica using data that are becoming widely available. Article in Journal/Newspaper Antarc* Antarctic Antarctica Polar Research Unknown Antarctic The Antarctic Polar Research 30 1 6330 |
institution |
Open Polar |
collection |
Unknown |
op_collection_id |
fttriple |
language |
English |
topic |
GIS water Antarctica remote sensing geo envir |
spellingShingle |
GIS water Antarctica remote sensing geo envir Glen Stichbury Lars Brabyn T.G. Allan Green Craig Cary Spatial modelling of wetness for the Antarctic Dry Valleys |
topic_facet |
GIS water Antarctica remote sensing geo envir |
description |
This paper describes a method used to model relative wetness for part of the Antarctic Dry Valleys using Geographic Information Systems (GIS) and remote sensing. The model produces a relative index of liquid water availability using variables that influence the volume and distribution of water. Remote sensing using Moderate Resolution Imaging Spectroradiometer (MODIS) images collected over four years is used to calculate an average index of snow cover and this is combined with other water sources such as glaciers and lakes. This water source model is then used to weight a hydrological flow accumulation model that uses slope derived from Light Detection and Ranging (LIDAR) elevation data. The resulting wetness index is validated using three-dimensional visualization and a comparison with a high-resolution Advanced Land Observing Satellite image that shows drainage channels. This research demonstrates that it is possible to produce a wetness model of Antarctica using data that are becoming widely available. |
format |
Article in Journal/Newspaper |
author |
Glen Stichbury Lars Brabyn T.G. Allan Green Craig Cary |
author_facet |
Glen Stichbury Lars Brabyn T.G. Allan Green Craig Cary |
author_sort |
Glen Stichbury |
title |
Spatial modelling of wetness for the Antarctic Dry Valleys |
title_short |
Spatial modelling of wetness for the Antarctic Dry Valleys |
title_full |
Spatial modelling of wetness for the Antarctic Dry Valleys |
title_fullStr |
Spatial modelling of wetness for the Antarctic Dry Valleys |
title_full_unstemmed |
Spatial modelling of wetness for the Antarctic Dry Valleys |
title_sort |
spatial modelling of wetness for the antarctic dry valleys |
publisher |
Norwegian Polar Institute |
publishDate |
2011 |
url |
https://doi.org/10.3402/polar.v30i0.6330 https://doaj.org/article/c17a78cc816f4ef498086b07c592876a |
geographic |
Antarctic The Antarctic |
geographic_facet |
Antarctic The Antarctic |
genre |
Antarc* Antarctic Antarctica Polar Research |
genre_facet |
Antarc* Antarctic Antarctica Polar Research |
op_source |
Polar Research, Vol 30, Iss 0, Pp 1-11 (2011) |
op_relation |
doi:10.3402/polar.v30i0.6330 0800-0395 1751-8369 https://doaj.org/article/c17a78cc816f4ef498086b07c592876a |
op_rights |
undefined |
op_doi |
https://doi.org/10.3402/polar.v30i0.6330 |
container_title |
Polar Research |
container_volume |
30 |
container_issue |
1 |
container_start_page |
6330 |
_version_ |
1766273452202786816 |