Results 101 to 110 of about 6,410 (217)

Seasonal NDVI and NDWI; the maximum value of the pixel where the waterhole was detected.

, 2019
Bold type indicates waterholes detected with NDWI. Seasons were wet (November to February) and dry (May to July). The sizes of the waterholes were estimated in the wet season, area is in m2.
Sergio Alvarez-Cardenas (6250715), Eahsan Shahriary (6250709), Jonathan Gabriel Escobar-Flores (6250703), Jorge Torres (6250712), Sarahi Sandoval (6250706), Patricia Gallina-Tessaro (6250718), Raul Valdez (4815132)   +6 more
core   +1 more source

Studi Perbandingan Estimasi Tahun Konstruksi Jembatan di Indonesia Dengan Metode Remote Sensing

Teras Jurnal: Jurnal Teknik Sipil
Abstrak   Jembatan adalah infrastruktur penghubung dua bagian daerah terputus karena adanya rintangan. Berdasarkan bentangnya, jembatan diklasifikasikan menjadi jembatan pendek dengan panjang L‰¤ 30 m, jembatan sedang dengan panjang 30 < L < 100 m, dan ...
Theresita Herni Setiawan, Andreas Roy, Liyanto Eddy, Marvyn Marvellino, Tan Leonardo, Jonathan Djaja, Yohanes Adianto   +6 more
doaj   +1 more source

Análise do comportamento do NDVI e NDWI em períodos de diferentes intensidades pluviométricas no Sertão alagoano

, 2011
The spatial and temporal monitoring of natural resources has been strengthened with the use of remote sensing. This technique has great contribution in many studies, such as agricultural management, hydrological, meteorological modeling and urban ...
Gonzaga, Elba Pereira, Nicácio, Rosilene Mendonça, Santos, Valter Vitor dos   +2 more
core  

MODIS NDVI, EVI and NDWI time series for cotton phenological characterization [PDF]

, 2013
O desenvolvimento e a competitividade do setor agrícola brasileiro estão atrelados aos avanços tecnológicos e eficiência na alocação dos recursos. A utilização de dados de sensores orbitais destaca-se como ferramenta para o acompanhamento dos cultivos, a
Carvalho Júnior, Osmar Abílio de, Couto Júnior, Antônio Felipe, Martins, Éder de Souza   +2 more
core  

MODIS average NDVI, MSAVI, NDWI, NDBI time series curves for grassland.

Note: Abbreviation: NDVI, Normalized Difference Vegetation Index; MSAVI, Modified Soil Adjusted Vegetation Index; NDWI, Normalized Difference Water Index; NDBI, Normalized Difference Built-up Index.
Liangxin Fan (446960), Dongyang Xiao (7822034), Weinan Chen (7850636), Fuchen Guo (18389485), Haipeng Niu (11726180)   +4 more
core   +1 more source

Comparação entre NDWI e MNDWI para o mapeamento de áreas inundadas no Pantanal do Taquari. [PDF]

, 2019
O Índice da Diferença Normalizada da Água (NDWI) e sua versão modificada (MNDWI) foram desenvolvidos para realçar e delinear automaticamente corpos d'água em imagens de satélite.
GIL, A. P., PADOVANI, C. R., COELHO, A. L. N.   +2 more
core  

A machine learning approach for quantifying crop water stress in smallholder farms using unmanned aerial vehicle multispectral imagery

Agricultural Water Management
Water stress significantly threatens sugarcane production, particularly among smallholder farmers in South Africa, where spatially explicit assessments remain limited.
Ameera Yacoob, Shaeden Gokool, Alistair Clulow, Maqsooda Mahomed, Vivek Naiken, Tafadzwanashe Mabhaudhi   +5 more
doaj   +1 more source

Utilidade agronómica dos índices NDVI e NDWI obtidos por imagem dos satélites Sentinel - 2: estudos de caso nas culturas de trigo, brócolo e arroz [PDF]

, 2018
Este estudo analisa a potencial utilidade agronómica dos satélites Sentinel-2 nas culturas do Trigo, Brócolo e Arroz, através de técnicas de detecção remota, recorrendo aos índices NDVI (Índice de Vegetação por Diferença Normalizada) e NDWI (Índice de ...
Marques, Francisco José Mendonça
core  

Identification of Inundated Area using Normalized Difference Water Index (NDWI) on Lowland Region of Java Island

, 2013
Flood disaster is a major issues due to its frequently events on several areas in Indonesia. Delineation of inundated area caused by flood is needed to support disaster emergency response.
Jalu Tejo Nugroho, Suwarsono, Wiweka
core  

Avaliação da precisão temática de composições de NDBI, NDVI, NDWI

, 2016
Este artigo trata de experimentos usando composições de índices físicos NDVI (Normalized Difference Vegetation Index), NDWI (Normalized Difference Water Index), NDBI (Normalized Difference Built-Up Index), para avaliar a precisão temática do ...
João Rodrigues Tavares Junior, Júlio Cezar Cotrim Moreira Filho   +1 more
core   +1 more source