Journal
Analisis Spasio-Temporal Kekeringan Lahan Sawah Dengan Metode Normalized Difference Drought Index (NDDI) Dan Hubungannya Dengan Ketersediaan Beras Di Kabupaten Grobogan Tahun 2015-2024: Spatio-temporal Analysis of Rice Field Drought with Normalized Difference Drought Index (NDDI) Method and its Relationship with Rice Availability in Grobogan Regency 2015-2024
Geo-Image Journal · Vol. 14 No. 2 (2025) · pp. 110–119
- ISSN
- 2549-0362, 2252-6285
- Published
- 2025-09-03
- Publisher
- Universitas Negeri Semarang
- Language
- eng
Abstract
Kabupaten Grobogan menjadi wilayah dengan tingkat kekeringan tertinggi pada tahun 2024 dengan 34 desa terdampak. Penelitian ini bertujuan untuk menganalisis persebaran kekeringan lahan sawah di Kabupaten Grobogan periode 2015–2024, mengukur akurasi algoritma Normalized Difference Drought Index, serta menganalisis hubungannya dengan ketersediaan beras. Metode yang digunakan meliputi interpretasi citra satelit Sentinel-2A, analisis sistem informasi geografis, dan uji korelasi menggunakan 89 titik sampel. Data dikumpulkan melalui observasi dan validasi lapangan. Hasil penelitian menunjukkan bahwa lebih dari 60% lahan sawah mengalami kekeringan sedang hingga sangat berat, sedangkan sisanya berada pada kategori ringan hingga normal. Tingkat akurasi algoritma mencapai 68,12%. Analisis korelasi menunjukkan hubungan negatif antara kekeringan dan ketersediaan beras, dengan koefisien korelasi -0,576 dan nilai R² sebesar 0,331. Artinya, 33,1% variasi ketersediaan beras dipengaruhi oleh tingkat kekeringan berdasarkan hasil pemetaan spasial.
Keywords
Collaboration network of the authors
40 authors · 111 co-authorship links · 4 across different organisations · showing the 40 most connected
Hover or tap a name to highlight its co-authors. Double-click to open the author's page.
- State University of Semarang
- University of Brawijaya
- Affiliation unknown
- Different organisations
- Same organisation
- Affiliation unknown
- Thicker line = more joint articles · bigger circle = more articles
Show as table
| Co-author | Organisation | Joint articles |
|---|---|---|
| Hariyanto Hariyanto | Affiliation unknown | 3 |
| Suroso Suroso | Affiliation unknown | 3 |
| Wahyu Setyaningsih | Affiliation unknown | 3 |
| Didi Pramono | Affiliation unknown | 2 |
| Puji Hardati | Affiliation unknown | 2 |
| Juhadi Juhadi | Affiliation unknown | 2 |
| Erni Suharini | Affiliation unknown | 2 |
| Satya Budi Nugraha | Affiliation unknown | 2 |
| M Fikri Amrullah | Affiliation unknown | 2 |
| Muhammad Abdullah | State University of Semarang | 1 |
| Luchman Hakim | University of Brawijaya | 1 |
| Dian Siswanto | University of Brawijaya | 1 |
| Tutik Wijayanti | Affiliation unknown | 1 |
| Restu Ayu Mumpuni | Affiliation unknown | 1 |
| Asti Hanafi | Affiliation unknown | 1 |
| Tio Putra Refiyan | Affiliation unknown | 1 |
| Abdullah Fariz Kyarto | Affiliation unknown | 1 |
| Rizqi Amalia Dwi Asih | Affiliation unknown | 1 |
| Thriwaty Arsal | Affiliation unknown | 1 |
| Sarto Sarto | Affiliation unknown | 1 |
| Afkar Jihad Al-afghani Afkar | Affiliation unknown | 1 |
| Ariyani Indrayati | Affiliation unknown | 1 |
| Apik Budi Santoso | Affiliation unknown | 1 |
| Wiwit Lutfita Setianingrum | Affiliation unknown | 1 |
| Andi Irwan Benardi | Affiliation unknown | 1 |
| Ummi 'Isyaturadhiyyah | Affiliation unknown | 1 |
| R Sugiyanto | Affiliation unknown | 1 |
| Yudi Aryanto | Affiliation unknown | 1 |
| Lana Shofiatun Nisa | Affiliation unknown | 1 |
| Aulia Annisa | Affiliation unknown | 1 |
| Siti Nur Fatimah Sholekhah | Affiliation unknown | 1 |
| Wiwid Bangun Mulyadi | Affiliation unknown | 1 |
| Ratna Agustina Hidayati | Affiliation unknown | 1 |
| Ba'iq Ammar Taqi | Affiliation unknown | 1 |
| Ayu Pitayati | Affiliation unknown | 1 |
| Muhammad Khafid | Affiliation unknown | 1 |
| Novia Faiz Safitri | Affiliation unknown | 1 |
Affiliations come from OpenAlex; journal OAI-PMH metadata carries none. Authors without an OpenAlex ID are matched by name, which can merge or split people.