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All Journal International Journal of Electrical and Computer Engineering Indonesian Journal of Geography Ecotrophic, Journal of Environmental Science Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Jurnal Ilmu Lingkungan TELKOMNIKA (Telecommunication Computing Electronics and Control) Majalah Geografi Indonesia JTSL (Jurnal Tanah dan Sumberdaya Lahan) Jurnal Geografi International Journal of Remote Sensing and Earth Sciences (IJReSES) Jurnal IMPACT: Implementation and Action Indonesian Journal of Earth Sciences Jurnal Geografi LIngkungan Tropik (Journal of Geography of Tropical Environments)
Muhammad Dimyati
Universitas Indonesia
Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Environmental Science Social Sciences Other

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PADDY FIELD CONVERSION IN INDONESIA IN A CONTEMPORARY GEOGRAPHIC PERSPECTIVE: A CONCEPTUAL OVERVIEW OF HUMAN-NATURE DIALECTICS Hafid Setiadi; Muhammad Dimyati; Nurrokhmah Rizqihandari; Ratri Candra Restuti; Satria Indratmoko; Tuty Handayani
JURNAL GEOGRAFI Vol 13, No 2 (2021): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v13i2.21027

Abstract

Experts from various perspectives have widely reviewed the patterns, processes, reasons, and impacts of paddy field conversion. However, most of these reviews tend to understand paddy fields from the physical-material dimension. By using the perspective of contemporary geography, this paper provides a critical conceptual overview of the conversion of paddy fields through the elaboration of human-nature dialectic as a central theme in the discipline of geography. The dialectic also contains identity, spatial awareness, and spatial-symbolic order issues that affect the existence of farmers and their paddy fields. This critical review results in the argument that the relationship between farmers and paddy fields represents a spatial-symbolic order that contains values, enthusiasm, identity, and living traditions. The identity and existence of farmers are part of the existence of paddy fields. Paddy fields have become part of the minds and consciousness of the farmers. The conversion of paddy fields will reduce the eco-cultural relations in this order and replace it with a capitalistic system.Keywords: contemporary geography, human-nature dialectic, paddy field conversion, spatial-symbolic order, sustainable agriculture
Remote sensing and geographic information systems technics for spatial-based development planning and policy I Wayan Gede Krisna Arimjaya; Muhammad Dimyati
International Journal of Electrical and Computer Engineering (IJECE) Vol 12, No 5: October 2022
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v12i5.pp5073-5083

Abstract

Indonesia's land-use and land-cover change (LULCC) is a global concern. The relocation plan of the capital city of Indonesia to East Kalimantan will be becoming an environmental issue. Knowing the latest land cover change modeling and prediction research is essential for fundamental knowledge in spatial planning and policies for regional development. Five articles related to integrated technology of geographic information systems (GIS) and remote sensing for spatial modeling were reviewed and compared using nine variables: title, journal (ranks), keywords, objectives, data sources, variables, location, method, and main findings. The results show that the variables that significantly affect LULCC are height, slope, distance from the road, and distance from the built-up area. The artificial neural network-based cellular automata (ANN-CA) method could be the best approach to model the LULCC. Furthermore, by the current availability of global multi-temporal and multi-sensor remote sensing data, the LULCC modeling study can be limitless
Spatial Analysis of Health and Physical Parameters of the Mangrove Forest at Taman Hutan Raya Ngurah Rai, Bali Using Sentinel-2A Muhammad Dimyati; Astridia Putri Nurhaliza; Astrid Damayanti
Indonesian Journal of Geography Vol 54, No 2 (2022): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.69840

Abstract

Mangrove forest is a very valuable forest, but despite its benefits mangrove forest continue to be degraded due to human activities. The purpose of this study was to map the distribution and to analyze mangrove forests’ health based on the NDVI vegetation index value and environmental quality. Distribution of mangrove forest health was obtained through the processing of sentinel 2-A satellite imagery in 2020 and field measurements. The environmental quality of the mangrove forest was obtained by processing the physical parameters which are water temperature, water salinity, water pH, and substrate texture using the Ordinary Kriging method. The health of the mangrove forest of Taman Hutan Raya Ngurah Rai is dominated by healthy category mangroves. The health of the mangrove forest worsens when closer to the shore and riverbanks. Mangrove vegetation with good conditions tends to have optimal environmental quality conditions and vice versa.
DIFFERENCES OF COASTALLINE CHANGES IN THE AREA AFFECTED BY LAND COVER CHANGES AND COASTAL GEOMORPHOLOGICAL SOUTH BALI 1995 - 2021 Muhammad Dimyati; Muhamad Rafli; Astrid Damayanti
International Journal of Remote Sensing and Earth Sciences (IJReSES) Vol 19 No. 2 (2022)
Publisher : Ikatan Geografi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30536/j.ijreses.2022.v19.a3781

Abstract

The South Bali coast is prone to abrasion due to its geographical position facing the Indian Ocean. High sea waves and currents in the south of Bali will erode beaches whose lithology and morphology are prone to abrasion. Land cover conditions that do not support coastal protection will also affect the high abrasion of the southern coast of Bali. This study aims to analyze the shoreline changes in South Bali from 1995-2021. The analytical method used is the Digital shoreline analysis system (DSAS), with data from Landsat 5 TM, Landsat 7 ETM+, Landsat 8 OLI/TIRS, and Sentinel 2A. The analysis results show that the area directly facing the waves is relatively high, with volcanic rock formations, and there is no mangrove as coastal protection. The lack of good coastal management shows the area with the highest abrasion. It was found in the western part of Tabanan Regency, eastern Gianyar, and southern Badung. Meanwhile, the average coastal accretion was relatively high in the neck of South Bali, in areas where the land cover was mangrove and adjacent to river mouths, which experienced much sedimentation.
MODEL PERUBAHAN TUTUPAN LAHAN BERBASIS CA-MARKOV: STUDI KASUS KECAMATAN TERNATE UTARA, KOTA TERNATE Panji Nurul Achmadi; Muhammad Dimyati; Masita Dwi Mandini Manesa; Heinrich Rakuasa
Jurnal Tanah dan Sumberdaya Lahan Vol. 10 No. 2 (2023)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2023.010.2.28

Abstract

North Ternate Sub-district is located in the center of Ternate City, making it a sub-district that has an increasing population every year. The increase in population certainly affects the increase in built-up land, which certainly affects environmental damage, climate change and other socio-economic problems. This study aims to predict land cover change in North Ternate Sub-district in 2003, 2013, 2023 and 2032 based on CA-Markov. This research used CA-Markov method to predict land cover in 2023. The results showed that in 2003, 2013, 2023 and 2032, built-up land annually experienced an increase in area, this is certainly influenced by the increase in population, and the need for land for settlement is getting higher every year. Agricultural land, non-agricultural land and open land continue to decrease in the area due to the conversion of these types of land cover to built-up land. The results of this prediction are very useful for the government in making policies related to sustainable spatial planning in the future.
Assessing the Reliability of Satellite-Derived Evapotranspiration Data Using Numerical Modified Penman Method at Citarum Watershed Evi Anggraheni; Faris Zulkarnain; Pranita Giardini; Kintan Maulidina; Babag Purbantoro; Raisya Afifah; Anang Muchlis; Siswanto Siswanto; Andry Rustanto; Muhammad Dimyati; Ahmad Zubair; Triarko Nurlambang; Ratih Dewanti; Iqbal Putut Ash-Shidiq; Irma Susanti
Indonesian Journal of Geography Vol 55, No 2 (2023): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.77725

Abstract

Evapotranspiration is an essential part of water availability analysis and crop water needs that are useful to estimate irrigation water demand. Since discharge measurement stations are limited, the analysis of water availability is the most important part of water management planning. Citarum watershed is the biggest watershed in West Java, supplies raw water to Jakarta, the capital city of Indonesia. Modified Penman is the common equation to analyze evapotranspiration, which was developed by Food and Agriculture Organization (FAO) and modified for tropical areas. Evapotranspiration is one term of the water balance equation. To determine water losses, it is necessary to solve this equation. Another source of evapotranspiration data is provided by the Moderate Resolution Imaging Spectroradiometer (MODIS) satellite's standard product, MOD16A2. In order to used the evapotranspiration satelilite data to fullfill the lack of groud station data, the reliability of satelite data is needed. The objective of this study is to compares and analyzes the reliability of satellite evapotranspiration potential images with the numerical Modified Penman method at Citarum Watershed. Modified Penman is one of several methods that calculate the evapotranspiration potential based on climate data. MOD16A2 was used for simulation data, and Modified Penman was used for baseline data. The reliability of the two simulations was analyzed by the skewness percentage of each pixel and period. The distribution of percent skewness indicates the performance of satellite evapotranspiration on the Modified Penman that represents the actual condition. The sensitivity of satellites is greatly affected by local weather conditions.
KAJIAN KUALITAS AIR DI PERAIRAN DESA SUMBERKIMA DAN DESA PEMUTERAN, KECAMATAN GEROKGAK, KABUPATEN BULELENG, PROVINSI BALI Logan, Axel Gilbert; Manessa, Masita Dwi Mandini; Dimyati, Muhammad; Efriana, Anisya Feby; Haidar, Muhammad
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 17 No 2 (2023)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/EJES.2023.v17.i02.p04

Abstract

Water quality has a significant impact on aquaculture productivity. Water quality characteristics influence fishing production. This study employs numerous prior research techniques to assess air quality factors such as Total Suspend Solid (TSS), salinity, Sea Surface Temperature (SST), and dissolved oxygen. However, physical elements such as rainfall, which are separated into wet and dry months in this study, have an impact on water quality. The approach was developed using Landsat-8 OLI satellite images. The algorithm's output is validated for data accuracy using Pearson correlation, root mean square error (RMSE), and R-square. The findings suggest that the distribution of water quality in dry and rainy months is low in coastal areas and high in locations adjacent to open waters. Furthermore, it was discovered that the average value of the distribution of TSS in dry months was lower than in wet months, the mean value of the distribution of salinity in dry months was higher than in wet months, the average value of the SST distribution in dry months was higher than in wet months, and the mean value of the dissolved oxygen distribution in dry months was lower than in wet months. Keywords: Water suitability; Landsat-8; Water Quality; Remote Sensing
PERANCANGAN PERPUSTAKAAN GEMAR MEMBACA BERBASIS WEBSITE UNTUK DESA MEKARJAYA Alexander, Onki; Isnaini, Eva Nur; Maranti, Pinta; Bawiling, Hendry; Pryanto, Muhammad Bagus; Dimyati, Muhammad
Jurnal IMPACT: Implementation and Action Vol. 3 No. 2 (2021): Jurnal Impact
Publisher : Politeknik Negeri Banjarmasin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31961/impact.v3i2.1119

Abstract

In the current era of globalization, the world of information is developing so rapidly because it is supported by increasingly sophisticated technological developments. A library is an important tool that can help teaching and learning activities. At this time, Mekarjaya Village does not have a library to support teaching and learning activities. This study aims to increase the reading interest of the Mekarjaya Village community and to design a website-based library to support teaching and learning activities in the village. In making this digital library, PHP is used as an application program and MySQL as a database server which has been summarized in one XAMPP application. The design of this library information system uses the waterfall method which consists of requirements analysis, design, implementation, testing, maintenance, and results analysis. With the existence of this website-based library information system, the community's interest in reading has increased, especially youths and girls in Mekarjaya Village.
Supply and demand of ecosystem service provision in relation to dynamics land-cover changes: a remote sensing and geospatial analysis in Sukabumi Regency Fitriani, Ananda; Dimyati, Muhammad; Zulkarnain, Faris
International Journal of Electrical and Computer Engineering (IJECE) Vol 14, No 5: October 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v14i5.pp5728-5737

Abstract

The rate of population growth in Sukabumi Regency continues to grow, along with the increasing need for food. This population growth, combined with the constant changes in land cover can reduce the productivity of environment in providing natural capital for food availability. Therefore, this study aimed to examine the condition of ecosystem service provision for a decade in Sukabumi Regency due to changes in land cover. In general, the efficient use of remote sensing method and geographic information systems to monitor ecosystem services had received widespread recognition. Following this scenario, the current study used geospatial analysis with dasymetric method which was integrated with supply and demand formulas for ecosystem services provision, food availability, and remote sensing. Geographic information system was also used for land cover interpretation data. The results showed that three districts in Sukabumi Regency, namely Cicurug, Cibadak, and Cicantayan, had “exceeded” condition when the environmental condition already passed the threshold or were unable to support population's needs. Meanwhile, the other districts have “not exceeded” condition, when the environmental conditions were still able to fulfill the needs of population. Finally, the changes in agricultural land cover had a significant influence on the condition of ecosystem services.
Spatial Pattern Analysis of Agricultural Drought in the Jatiluhur Reservoir’s Irrigation Area Using Normalized Drought Index (NDDI) MODIS Satellite Image Zubair, Ahmad; Sakina, N C; Khairunnisa, N; Siddiq, Ayyasy; Rustanto, Andry; Zulkarnain, Faris; Dimyati, Muhammad
Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments)
Publisher : UI Scholars Hub

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Agricultural drought occurs in various irrigation areas in Indonesia, one of which is the Jatiluhur Reservoir’s irrigation area. Agricultural drought in this area occurs due to several factors, including the natural phenomenon of climate anomalies which causes the length of the dry season, and also due to less optimal irrigation networks, damaged networks and other obstacles. But, not all agricultural land in the irrigated area experiences drought. Agricultural land affected by drought is important to know its spatial and temporal distribution to determine priority locations in drought disaster management, especially on agricultural land. Therefore, this study aims to examine the spatial pattern of agricultural drought in the irrigation area of the Jatiluhur Reservoir from 2000–2020. The index used in this study is the Normalized Difference Drought Index (NDDI). MODIS image version MOD13Q1 is used by dividing the dryness class into three classifications, namely dry (>0.5), rather dry (0-0.5), and normal (<0.5). The results showed that the most extensive drought in rice paddy fields occurred in 2015 with a dry index of 8574.19 Hectares. Meanwhile, agricultural drought in this area occurs on average from June to September, especially in the Jayalaksana Village and Setialaksana Village, Bungin Sub-District, Bekasi Regency. These two villages are affected by agricultural drought every single year. The spatial pattern of agricultural drought shows that it follows the pattern of the irrigation network. It is necessary to investigate the correlation between agricultural drought and irrigation network in the next research.
Co-Authors Adlyani Husna Ahmad Fakhruddin Ahmad Zubair Akhmad Fauzy Anang Muchlis Andry Rustanto Anggara Setyabawana Putra Arief Wicaksono Astrid Damayanti Astridia Putri Nurhaliza Azis Musthofa Babag Purbantoro Bawiling, Hendry Budianto Budianto Devy Nur Annisa Dewi Susiloningtyas Dimas Bayu Ichsandya Dimas Novandias Damar Pratama Dimyati, Ratih Dewanti Efriana, Anisya Feby Enshito, Grizzly Pradipta Singhasana Evi Anggraheni, Evi Farhan Makarim Zein Faris Zulkarnain Faris Zulkarnain Fitriani, Ananda Hartono Hartono Hartono Hartono Heinrich Rakuasa I Wayan Gede Krisna Arimjaya Iqbal Putut Ash Shidiq Iqbal Putut Ash-Shidiq Irma Susanti Isnaini, Eva Nur Khairunnisa, N Kintan Maulidina Kustiyo Kustiyo Kustiyo Kustiyo Legowo, Dewanti Aisyah Logan, Axel Gilbert M. Martono Mamat Suhermat Maranti, Pinta Mardalena, Ayu Marfai, Muh Aris Masita Dwi Mandini Manesa MASITA DWI MANDINI MANESSA, MASITA DWI MANDINI Muhamad Rafli Muhammad Adnan Shafry Untoro Muhammad Haidar Nurrokhmah Rizqihandari Nurul Khakhim Nurul Sri Rahatiningtyas Onki Alexander Panji Nurul Achmadi Pranita Giardini Prasetya, Ferdian Adhy Projo Danoedoro Pryanto, Muhammad Bagus Puji Tri Handayani Purbantoro, Babag Putri, Ratih Fitria Raden Ramadhani Yudha Adiwijaya Rahatiningtyas, Nurul Sri Raisya Afifah Ratih Dewanti Ratih Dewanti Dimyati Ratih Dewanti Dimyati Ratih Dewanti Dimyati Ratri Candra Restuti Riza Putera Syamsuddin Rustanto, Andry S. Supriatna Sakina, N C Satria Indratmoko Setiadi, Hafid Siddiq, Ayyasy Siswanto Siswanto Siti Aisyah Supriatna Supriatna Taufik Walinono Triarko Nurlambang Triarko Nurlambang Tuty Handayani Verdyansyah, Aprizal Wahyu Lazuardi Zubair, Ahmad Zulfikri Isnaen Zulkarnain, Faris