สืบค้นงานวิจัย
THE STUDY OF THE USE OF SOUTHERN OSCILLATION INDEX TO ANTICIPATE LONG DRY SEASON IN THE TWO ESTATES WITH CONTRASTING CLIMATIC CONDITIONS
Thomas Wijaya - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): THE STUDY OF THE USE OF SOUTHERN OSCILLATION INDEX TO ANTICIPATE LONG DRY SEASON IN THE TWO ESTATES WITH CONTRASTING CLIMATIC CONDITIONS
ผู้แต่ง / หัวหน้าโครงการ (EN): Thomas Wijaya
บทคัดย่อ (EN): Long dry season due to EI-Nino phenomenon occurs periodically and causes reduction in farmer income. Information on timing of long dry season is important for crop management such as time of planting, fertilizer application, and irrigation. When the long dry season occurs, usually, monthly SOI values were consecutively negative. SOI describes the normalization of the difference air pressure between Tahiti and Darwin. SOI has been used intensively in Australia to predict rainfall and crop production, however it was not yet known whether SOI could be used for Indonesian environments. The research and experience for the last few decades showed that EI-Nino was play a big role in occurrence of long dry season in Australia and other countries. Not all regions in Indonesia experience the same severity of long dry season due EI-Nino. The study of the use SOI to predict long dry season was carried out at two estates at Pagar Alam (South Sumatra) with average annual rainfall of 3031 mm and Way Lima (Lampung, province) with average annual rainfall of 1787 mm. Lag correlation between SOI and rainfall was conducted and also empirical soil water balanced was carried for long-term period of time. The soil water balance calculation showed that in EI-Nino years, the amount of rainfall was reduced in both estates and resulted in reduction of soil moisture index (the ratio actual to potential evapotranspiration). The reduction soil moisture index at Way Lima was greater or experience with more severe drought compared with Pagar Alam due to less rainfall at Way Lima. There was significant correlation between average three monthly SOI with the total rainfall in the subsequent 3 months for period of June-August, July-September, August-October and September-November for Pagar Alam estate, and period of July-September, August-October and September-November for Way Lima estate. In general, the amount of rainfall decreased as SOI became more negative. The regression equation between rainfall and SOI can be use to predict 3 monthly subsequent rainfall because SOI was available or provided by many meteorological websites
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เผยแพร่โดย (EN): การยางแห่งประเทศไทย
คำสำคัญ (EN): prediction
เจ้าของลิขสิทธิ์ (EN): การยางแห่งประเทศไทย
หากไม่พบเอกสารฉบับเต็ม (Full Text) โปรดติดต่อหน่วยงานเจ้าของข้อมูล

การอ้างอิง

Thomas Wijaya. "THE STUDY OF THE USE OF SOUTHERN OSCILLATION INDEX TO ANTICIPATE LONG DRY SEASON IN THE TWO ESTATES WITH CONTRASTING CLIMATIC CONDITIONS". ไม่ระบุหน่วยงาน. ม.ป.ป.

Thomas Wijaya. "THE STUDY OF THE USE OF SOUTHERN OSCILLATION INDEX TO ANTICIPATE LONG DRY SEASON IN THE TWO ESTATES WITH CONTRASTING CLIMATIC CONDITIONS". ไม่ระบุหน่วยงาน. ม.ป.ป.. Print.



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THE STUDY OF THE USE OF SOUTHERN OSCILLATION INDEX TO ANTICIPATE LONG DRY SEASON IN THE TWO ESTATES WITH CONTRASTING CLIMATIC CONDITIONS
Thomas Wijaya
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