Open AccessTINJAUAN GEOLOGI TERHADAP MODEL ELEVASI DIGITAL SISTEM PARIT-PRISMA AKRESI, SELATAN JAWA
Author(s) -
Dida Kusnida,
Tommy Naibaho
Publication year - 2016
Publication title -
jurnal geologi kelautan
Language(s) - English
Resource type - Journals
eISSN - 2527-8851
pISSN - 1693-4415
DOI - 10.32693/jgk.7.2.2009.171
Subject(s) - geology , digital elevation model , geomorphology , seismology , accretion (finance) , trench , remote sensing , physics , chemistry , organic chemistry , layer (electronics) , astrophysics
Model elevasi digital sistem parit-prisma akresi selatan Pulau Jawa menggambarkan keterwakilan topografi dasar laut seperti elevasi, lereng dan lain sebagainya secara tepat dan dengan mudah dapat dikuantifikasikan serta digambarkan sebagai output images. Sistem parit-prisma akresi selatan Pulau Jawa terletak di sebelah tenggara tepian Paparan Sunda dan diperkirakan dialasi oleh kerak samudera terakresi dan berada pada tahap awal evolusi. Analisis topografi rinci data model elevasi digital (DEM) dari daerah ini menunjukan hubungan yang erat antara struktur geologi dan batas satuan batuan.
Kata kunci : parit, prisma akresi, DEM, topografi, lereng.
Digital elevation model of the trench-accretionary prism system off south Java Island displays an accurate representation of seafloor topographic such as elevation, slope, etc and can easily be quantified and is displayed as output images. The trench-accretionary prism system off south Java Island lies on the southeast Sunda Shelf continental margin and it is suggested to be underlain by the basement of accreted oceanic crust, which is still in an early stage of evolution. Detailed topographic analysis of the digital elevation model (DEM) data from the area reveals a strong correlation between geological structures and rock unit boundaries.
Keywords : trench, accretionary prism, DEM, topography, slope.