Phenological assessment of Darling River claypan lakes using satellite imagery
Presentation
Perera, Kithsiri and Tateishi, Ryutaro. 2011. "Phenological assessment of Darling River claypan lakes using satellite imagery." Autumn Scientific Conference of the Japan Society of Photogrammetry and Remote Sensing (JSPRS 2011) . Oita, Japan 20 - 21 Oct 2011 Tokyo, Japan.
| Paper/Presentation Title | Phenological assessment of Darling River claypan lakes using satellite imagery |
|---|---|
| Presentation Type | Presentation |
| Authors | Perera, Kithsiri (Author) and Tateishi, Ryutaro (Author) |
| Journal or Proceedings Title | Proceedings of the Autumn Scientific Conference of the Japan Society of Photogrammetry and Remote Sensing (JSPRS 2011) |
| Number of Pages | 4 |
| Year | 2011 |
| Place of Publication | Tokyo, Japan |
| Web Address (URL) of Paper | http://www.jsprs.jp/conf/2011/autumn/ |
| Conference/Event | Autumn Scientific Conference of the Japan Society of Photogrammetry and Remote Sensing (JSPRS 2011) |
| Event Details | Autumn Scientific Conference of the Japan Society of Photogrammetry and Remote Sensing (JSPRS 2011) Event Date 20 to end of 21 Oct 2011 Event Location Oita, Japan |
| Abstract | Earth observation satellites with higher spatial resolution capability provide four or more image bands at less than 10m resolution and ideally suitable for conducting numerous land cover classifications, especially for small areas. This study uses AVENIR 2, SPOT, and DigitalGlobe images on multitemporal basis to examine the health of clay pan lakes associate with spontaneous wetlands in the Murray-Darling River Basin, Australia. These unique lakes along the river add an essential lifeline to numerous flora and fauna in harsh central Australian climate. A research conducted in 1996 estimated that there are 18,500 wetlands located within the basin. In another recent study, 98 waterbird species were recorded in these wetlands. The same study recorded that bird species like ibis and egrets have very high sensitivity for water level changes. However, extreme fluctuations in water levels are negatively affecting the health of these lakes and wetlands. Due to the ever increasing human activities such as irrigation, recreation, and changing land use of the river system and highly fluctuating river water regime and water quality, the spatial status of small linear shape lakes can be used as a phenological indicator to assess the river health. After a long drought spell, Darling River catchment received a huge amount of rainfall in last two years, causing dynamic environmental changes along the river. These changes can be affected to mapping aspects too, due to the expansion of wetlands associate with lakes. The study founded that high resolution satellite images can be counted as a good candidate to monitor small land cover features in these wetlands. Mapping detail land cover of selected lakes under number of extreme weather conditions like prolong drought and heavy rain will help to understand and evaluate spatial conditions of claypan lakes and the surrounding environment. |
| Keywords | Darling River; satellite data; claypan lakes; river health; phenological indicator |
| ANZSRC Field of Research 2020 | 401304. Photogrammetry and remote sensing |
| 410407. Wildlife and habitat management | |
| 410102. Ecological impacts of climate change and ecological adaptation | |
| Public Notes | No evidence of copyright restrictions preventing deposit. |
| Byline Affiliations | Australian Centre for Sustainable Catchments |
| Chiba University, Japan | |
| Institution of Origin | University of Southern Queensland |
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