Universiti Teknologi Malaysia Institutional Repository

Mapping snow-algae in Antarctic Peninsula with multi-temporal satellite remote sensing data

Hashim, M. and Misbari, S. and Reba, N. M. and Abdul-Wahab, M. F. and Pour, A. B. and Said, M. F. M. and Omar, A. H. and Soeed, K. (2016) Mapping snow-algae in Antarctic Peninsula with multi-temporal satellite remote sensing data. In: 36th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2016, 10 July 2016 through 15 July 2016, China.

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This article reports on the use of selected spectral image transform technique for detecting and mapping of snow algae growth using multi-temporal Landsat Thematic Mapper (TM), archived from early 80's to the recent Landsat-8 Operational Land Imager (OLI) acquired in March 2015. In-situ spectral radiometry samples during UTM-Antarctica summer 2015 expedition were used in air-to-ground correlation of the corresponding satellite data sets, later yield to retrieve snow algae occurrences in 2009-2015 summer. Multi-temporal analysis of the snow-vegetation growth extents extracted was then compared to against the climate-change effects of the corresponding area in Antarctic Peninsula. Hence, the indicator for snow-vegetation growth as effects of the climate-change could be inferred. Results indicated good agreement (Pearson's coefficient r=0.85, p<0.01) between snow-vegetation growth extent with the temperature changes measured in the corresponding area. Recent in-situ verification of the selected sites in the region confirmed the agreements.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:Antarctica Peninsula, climate change, multi-temporal, OLI, snow algae, Snow-vegetation, Thematic Mapper
Subjects:G Geography. Anthropology. Recreation > G Geography (General) > G70.212-70.215 Geographic information system
Divisions:Geoinformation and Real Estate
ID Code:72967
Deposited By: Muhammad Atiff Mahussain
Deposited On:27 Nov 2017 09:02
Last Modified:27 Nov 2017 09:02

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