Maru, Rosmini (2015) RAINFALL SEASONALITY INDEX FOR SOUTH SULAWESI PROVINCE, INDONESIA, 1982-2012. In: International Conference On Education and Technology "Optimizing The Role Of Character Education Through Science and Technology Towards Excellent and Intelligent Generation", 20 Agustus 2015, Makassar, Indonesia.
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Abstract
ABSTRACT Spatial and temporal variability of rainfall for any region in the world are very important with regards to planning for various sectors including water supply and agriculture demands. The aims of this paper are to study the spatial and temporal variability of seasonality of rainfall and its relation to rainfall regimes within the South Sulawesi Province, Indonesia. Data for the 64 rainfall stations for the 29 years (1983 – 2012) were used in order to calculate the SI for the whole of the South Sulawesi area. In general, the result showed that the dominance SI was the seasonal rainfall regime of 0.60 to 0.79 especially in the central region of the South Sulawesi. Furthermore, the rainfall regimes of rather seasonal with a short drier season (0.40 – 0.59) and markedly seasonal with a long drier season (0.80 – 0.99) were calculated for the northern part and Western part of the South Sulawesi Province, respectively. One significant finding was that the entire province did not experience a rainfall regime of very equable and equable but with a definite wetter season. However, a more extreme rainfall regime of ≥ 1.0 (3 months or less rainfall) was calculated for the southern part of the South Sulawesi Province. The rainfall data were divided into three periods with the 1983 – 1992 and 2003 – 2012 periods showed a more rather seasonal with a short drier season (0.40 – 0.59). For the period of 1993 – 2002 the dominance SI was seasonal rainfall regime. Based on these findings, it is clearly indicated that certain region of the South Sulawesi Province, especially for the southern part experienced a longer drier season in a single year, implying that the region could be experienced less water supply for domestic as well as for the agricultural sectors.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Uncontrolled Keywords: | Seasonality Index (SI), rainfall regime, water supply, mapping |
| Subjects: | KARYA ILMIAH DOSEN Universitas Negeri Makassar > KARYA ILMIAH DOSEN |
| Divisions: | KOLEKSI KARYA ILMIAH UPT PERPUSTAKAAN UNM MENURUT FAKULTAS > KARYA ILMIAH DOSEN KARYA ILMIAH DOSEN |
| Depositing User: | UPT PERPUSTAKAAN UNM |
| Date Deposited: | 04 Sep 2017 03:34 |
| Last Modified: | 02 Jul 2019 18:06 |
| URI: | http://eprints.unm.ac.id/id/eprint/2777 |
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