ENGINEERING JOURNAL : ANALISIS ARUS PERMUKAAN DARI CITRA SPL NOAA-AVHRR DI PERAIRAN SELATAN BALI – LOMBOK

Jurnal Rekayasa Vol 4 No 1 Artikel 06

Purnomo Siddy
(Staf Pengajar Jurusan Teknik Sipil, PS Teknik, Universitas Jember)


ABSTRACT

Surface current knowable from spreading of sea level temperature ( SPL) that happened in a territorial water. Spreading SPL will form the boundary usher each temperature gyration. This phenomenon will be able to show the certain pattern from spreading of each temperature gyration. The pattern is indication of existence of mass water movement on the surface of or surface current. Image NOAA-AVHRR own the ability of multispectral of record of spreading SPL. With the program of IDRISI v.4.1, AWDRT-11A, SPL-11A And SURFER ( win 3.2)v.64, calculation convert from digital values become the value SPL in set of degree Celcius can be done. SPL image of territorial water of Bali south - Lombok island of East season ( June - September 1996) showing spreading of gyration 28,10 - 29,00 ° C and dominant at gyration 27,10 - 28,00 °C. This SPL pattern show the surface current of territorial water of Bali south - Lombok island from South-East to South-West till North-West. The phenomenon happened till water mass the depth 15 metre.

Keywords: Sea level temperature, temperature gyration, of mass water movement
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