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Pemetaan Hutan Mangrove di Estuari Sungai Andai, Manokwari Papua Barat [Paper]

ABSTRAK Secara umum julat nilai spektral objek diperoleh melalui perpustakaan spektral (spectral library) atau melalui pengukuran lan...





ABSTRAK
Secara umum julat nilai spektral objek diperoleh melalui perpustakaan spektral (spectral library) atau melalui pengukuran langsung di lapangan dengan alat ukur spectroradiometer, spectrometer, dan spectrophotometer, atau alat-alat sejenis yang mahal serta jarang, sehingga sulit untuk memperoleh julat nilai spektral objek tertentu. Studi tentang Metode Density Slicing Berbasis Citra ALOS AVNIR-2 Untuk Pemetaan Hutan Mangrove di Estuari Sungai Andai, Manokwari Papua Barat dilakukan dengan tujuan menghasilkan prosedur analisis perolehan julat nilai spektral melalui analis histogram band inframerah dekat ALOS AVNIR-2.  Penelitian ini dilakukan melalui dua tahapan metode analisis, yakni: 1) Analisis utama untuk menghasilkan julat nilai spektral, yakni analisis histogram band inframerah dekat ALOS AVNIR-2, dan 2) Analisis tambahan untuk menjelaskan tingkat akurasi julat nilai spektral melalui: (a) survei lapangan yang menghasilkan data untuk proses uji akurasi reklasifikasi metode density slicing, serta (b) melakukan uji akurasi terhadap peta zonasi mangrove berbasis density slicing. Analisis tersebut dijabarkan melalui pendekatan penginderaan jauh multitingkat, dimana citra QuickBird digunakan sebagai referensi untuk masking citra ALOS AVNIR-2, dan juga untuk validasi peta hasil metode density slicing. Hasil dari penelitian ini adalah prosedur analisis perolehan julat nilai spektral dan julat nilai spektral zonasi genus mangrove.  Akurasi pemetan hutan mangrove untuk metode density slicingmenghasilkan nilai 40%. Nilai tersebut masih belum memenuhi standar ketelitian yang diharapkan. Namun demikian, penelitian ini secara keseluruhan dapat menghasilkan julat nilai spektral, dan hal ini memberikan implikasi terhadap pengembangan prosedur untuk menghasilkan julat nilai spektral objek.

Kata Kunci: analisis histogram; citra ALOS AVINIR-2; Citra Quickbird; density slincing; julat nilai spectral objek;

ABSTRACT
Generally the range of spectral value objects can be obtained through spectral library or through direct measurement in the field with measuring instrument spectroradiometer, spectrometer and spectrophotometer, or similar tool are expensive and rarely, so difficult to obtain spectral range of the certain objects value. Study about Slicing Density Method is based AVNIR ALOS-2 imagery for mapping of mangrove forest in the river estuary Andai, Manokwari, West Papua with the purpose of generating the acquisition analysis procedures spectral value range through near infrared band histogram analysis of AVNIR ALOS-2. Aim of this study through two stages of analysis methods, namely: 1) The primary analysis to produce a spectral value range, namely histogram analysis near infrared band AVNIR ALOS-2 and 2) Additional analysis to explain the level of accuracy range spectral value through: (a) field survey that produced  data to process of classification accuracy test with density slicing method, and (b) to examine the accuracy of zoning map based mangrove density slicing. This analysis describe through a multilevel remote sensing approach, which QuickBird imagery is used as a reference for masking  AVNIR ALOS-2, and also to validate of map density slicing method. The results of this research is procedure of  acquisition spectral value range and the spectral range of  mangrove genus value zoning. Accuration of Mangrove forest mapping with density slicing method produces value of 40%. This value is still not comply expected accuracy standards. Nevertheless, overall this research can produce a range of spectral values, and it has implications for development  procedure to product a spectral range of the certain objects value.


Keywords: histogram analysis; ALOS AVNIR-2 imagery; QuickBird imagery; density slicing; the value of the object spectral range

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RSGIS INDONESIA: Pemetaan Hutan Mangrove di Estuari Sungai Andai, Manokwari Papua Barat [Paper]
Pemetaan Hutan Mangrove di Estuari Sungai Andai, Manokwari Papua Barat [Paper]
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RSGIS INDONESIA
https://www.rsgis.info/2019/04/pemetaan-hutan-mangrove-di-estuari-sungai-andai-manokwari-papua-barat-berdasarkan-metode-density-slicing-berbasis-citra-alos-avnir-2.html
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https://www.rsgis.info/2019/04/pemetaan-hutan-mangrove-di-estuari-sungai-andai-manokwari-papua-barat-berdasarkan-metode-density-slicing-berbasis-citra-alos-avnir-2.html
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