Results 31 to 40 of about 6,838 (207)

Recurrence Analysis of Vegetation Indices for Highlighting the Ecosystem Response to Drought Events: An Application to the Amazon Forest

Remote Sensing, 2020
Forests are important in sequestering CO2 and therefore play a significant role in climate change. However, the CO2 cycle is conditioned by drought events that alter the rate of photosynthesis, which is the principal physiological action of plants in ...
Teodoro Semeraro, Andrea Luvisi, Antonio O. Lillo, Roberta Aretano, Riccardo Buccolieri, Norbert Marwan   +5 more
doaj   +1 more source

Comparison of Holt Winters and Simple Moving Average Models to Identify the Best Model for Predicting Flood Potential Based on the Normalized Difference Water Index

JISA (Jurnal Informatika dan Sains), 2022
Flood is a condition in which water cannot be accommodated in a drainage channel such as a river or river. An area is said to be flooded if the water in the area is inundated in large quantities so that it can cover all or most of a large area ...
Raka Hikmah Ramadhan, Roni Yusman, Gatot Tri Pranoto   +2 more
doaj   +1 more source

Pemetaan Cepat Genangan Banjir Menggunakan Teknologi Remote Sensing

Rekayasa Sipil, 2022
The existence of a flood inundation rapid map is needed in flood mitigation. This research is intended to map flood inundation quickly by utilizing satellite image technology. Sentinel 2 Level 1C technology uses before and after the flood. The extraction
Tedy Pranadiarso, Entin Hidayah, Gusfan Halik   +2 more
doaj   +1 more source

Assessment of Climate Indices and NDWI Analysis in Lerma Chapala Basin

, 2021
Lake Chapala is a natural ecosystem of Mexico, declared Ramsar site, currently, is an area with importance in the agricultural sector, tourism, and important source of drinking water in the Metropolitan area of Guadalajara, considered as a thermo regulatory body.
Miriam Castro-Lazcarro, Valentina Davydova-Belitskaya, Abraham Cárdenas-Tristán   +2 more
openaire   +2 more sources

Gap Filling Cloudy Sentinel-2 NDVI and NDWI Pixels with Multi-Frequency Denoised C-Band and L-Band Synthetic Aperture Radar (SAR), Texture, and Shallow Learning Techniques

Remote Sensing, 2022
Multispectral imagery provides unprecedented information on Earth system processes: however, data gaps due to clouds and shadows are a major limitation.
K. Lasko
semanticscholar   +1 more source

Monitoring Surface Soil Moisture Content over the Vegetated Area by Integrating Optical and SAR Satellite Observations in the Permafrost Region of Tibetan Plateau

Remote Sensing, 2020
Surface soil moisture (SSM), the average water content of surface soil (up to 5 cm depth), plays a key role in the energy exchange within the ecosystem.
Chenyang Xu, John J. Qu, Xianjun Hao, Di Wu   +3 more
doaj   +1 more source

Klasifikasi Wilayah Rawan Banjir di Tomohon Menggunakan Citra Satelit Landsat 8 OLI

Jurnal Nasional Teknik Elektro dan Teknologi Informasi, 2023
Bencana alam sering terjadi tanpa diduga sehingga menyebabkan kerugian materiel maupun nonmateriel. Banjir merupakan salah satu bencana alam yang sering terjadi di beberapa daerah di Indonesia, salah satunya adalah Kota Tomohon.
Gabriel Kenisa Meqfaden Baali, Kristoko Dwi Hartomo, Sri Yulianto Joko Prasetyo   +2 more
doaj   +1 more source

MONITORING OF MANGROVE ECOTOURISM AREA USING NDVI, NDWI, AND CMRI IN DODOLA ISLAND, MOROTAI ISLAND REGENCY, INDONESIA

E-Journal Ilmu dan Teknologi Kelautan Tropis, 2022
The development of tourism infrastructure causes land-use change or land conversion from green open spaces into tourism economic areas. The utilization of mangrove areas as an ecotourism attraction needs to be monitored regularly so that facilities and ...
Y. Singgalen, Danny Manongga
semanticscholar   +1 more source

Análisis de la vegetación a partir de índices espectrales y su relevancia en la identificación de espejos de agua en el humedal Torca Guaymaral, Bogotá, Colombia

Avances, 2023
En Colombia son varios los humedales han experimentado cambios significativos en el espejo de agua, ya sea por procesos naturales o antrópicos; la mayoría de estos presentan eutrofización, hecho que se comprueba por la proliferación descontrolada de ...
Cindy Lorena Sabogal Vélez, Leyder Mauricio Pedroza Toro, Gina Paola González Angarita   +2 more
doaj   +1 more source

A NEW MULTI-SPECTRAL THRESHOLD NORMALIZED DIFFERENCE WATER INDEX (MST-NDWI) WATER EXTRACTION METHOD – A CASE STUDY IN YANHE WATERSHED [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
Accurate remote sensing water extraction is one of the primary tasks of watershed ecological environment study. Since the Yanhe water system has typical characteristics of a small water volume and narrow river channel, which leads to the difficulty for ...
Y. Zhou, Y. Zhou, H. Zhao, H. Zhao, H. Hao, C. Wang, C. Wang   +6 more
doaj   +1 more source