Distribusi Spasial Tingkat Kebasahan Lahan di Kota Pfdontianak Menggunakan Normalized Difference Water Index (NDWI)

Authors

  • Febriana Diah Permata Universitas Tanjungpura
  • Yoga Satria Putra Universitas Tanjungpura
  • Riza Adriat Universitas Tanjungpura

DOI:

https://doi.org/10.26418/pf.v10i3.60549

Abstract

Distribusi tingkat kebasahan lahan dapat dilakukan dengan menggunakan Normalized Difference Water
Index (NDWI). NDWI merupakan indeks yang menunjukan tingkat kebasahan vegetasi pada suatu wilayah.
NDWI merupakan fungsi kanal Near Infrared (NIR) dan Short Warelength Infrared (SWIR). NIR dan SWIR
digunakan untuk mengidentifikasi kelembapan vegetasi dari kelembapan tanah. Nilai NDWI
diklasifikasikan menjadi tiga kelas yaitu kebasahan rendah, sedang dan tinggi. Pada tahun 2016 nilai NDWI
menunjukan nilai kebasahan yang rendah dengan nilai sebesar -0.327 pada bulan Maret, -0.308 bulan April
dan -0.367 bulan Mei. Pada Tahun 2019 nilai NDWI menunjukan kebasahan yang tinggi dengan nilai 0.65
pada bulan Maret, bulan April sebesar 0.556 dan bulan Mei sebesar 0.646. Nilai NDWI dapat dipengaruhi
oleh beberapa faktor seperti curah hujan, kerapatan vegetasi maupun fenomena El Nino dan La Nina.

Author Biographies

Febriana Diah Permata, Universitas Tanjungpura

Program Studi Geofisika

Yoga Satria Putra, Universitas Tanjungpura

Program Studi Geofisika

Riza Adriat, Universitas Tanjungpura

Program Studi Geofisika

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Published

2023-02-26

Issue

Vol. 10 No. 3 (2022)

Section

Articles

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Date: 24-05-2023

Prisma Fisika
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