Results 81 to 90 of about 111,427 (210)

Remotely sensed soil moisture to estimate savannah NDVI

PLOS ONE, 2018
Satellite derived normalized difference vegetation index (NDVI) is a common data source for monitoring regional and global ecosystem properties. In dry lands it has contributed to estimation of inter-annual and seasonal vegetation dynamics and phenology.
Niklas Boke-Olén, Jonas Ardö, Lars Eklundh, Thomas Holst, Veiko Lehsten   +4 more
openaire   +4 more sources

Relación Entre el Índice de Área Foliar y el Índice Normalizado de Vegetación en el Bosque Húmedo Tropical de Panamá en Gamboa

Revista de I + D Tecnológico, 2014
El índice de área foliar (LAI) es una variable útil para describir la productividad y dinámica de los ecosistemas forestales además de un indicador de la salud y desarrollo del dosel. Se han realizado pocos estudios de esta variable en regiones de bosque
Dafni Mora, José Ulises Jiménez, José Fábrega   +2 more
doaj  

Analysis of the intensity of erosive processes and state of vegetation cover in the zone of influence of the Kolubara Mining Basin

Open Geosciences
Ensuring the quality protection of geospatial elements entails environmental control, a task unattainable without precise measurement results. This article aims to conduct a spatio-temporal analysis of soil degradation and vegetation status within the ...
Živanović Milica, Milanović Miško M., Trivić Branislav, Đurđić Snežana, Milinčić Miroljub, Tomić Milisav, Grozdanić Goran   +6 more
doaj   +1 more source

Changes in NDVI and human population in protected areas on the Tibetan Plateau [PDF]

, 2019
Understanding the Tibetan Plateau’s role in environmental change has gained increasing scientific attention in light of warming and changes in landmanagement.
Cusack, Conor F, Gillespie, Thomas W, Madson, Austin, Xue, Yongkang   +3 more
core   +1 more source

Utilization of NDVI, VTCI and WDI indices in analyzing the effects of drought severity and duration on vegetation density in Siminehrood catchment [PDF]

تحقیقات کاربردی علوم جغرافیایی, 2020
Various satellite remote sensing data, images and products have proven their place in drought, drought and agriculture studies since the production of this type of information resource.
Parviz zeaiean Firoozabadi
doaj  

Mapping cultivated area in West Africa using modis imagery and agroecological stratification [PDF]

, 2009
To predict and respond to famine and other forms of food insecurity, different early warning systems are using remote analyses of crop condition and agricultural production, using satellite-based information.
Baron, Christian, Bégué, Agnès, Féau, Christian, Houles, Marion, Lainé, Gérard, Lo Seen, Danny, Vintrou, Elodie   +6 more
core  

تخمین عملکرد گندم آبی بوسیله تصاویر ماهواره لندست در برخی از مزارع شهرستان مشهد [PDF]

Pizhūhish/hā-yi tulīd-i giyāhī, 2014
یکی از روشهایی که اخیرا در کشور بمنظور پایش محصولات کشاورزی مورد استفاده قرار می¬گیرد، استفاده از تصاویر ماهواره¬ای می¬باشد. با هدف تخمین عملکرد مزارع گندم بوسیله تصاویر ماهواره لندست سنجنده TM و ETM+، 13 مزرعه گندم در دو سال 1388 و 1389 در شهرستان مشهد ...
نسرین صالح نیا, حسین ثنایی نژاد, مهدی نصیری محلاتی, حسین زارع, مرجان قائمی   +4 more
doaj  

Combining multi-source information for crop monitoring [PDF]

, 2008
Time series of optical satellite images acquired at high spatial resolution constitute an important source of information for crop monitoring, in particular for keeping track of crop harvest.
Bégué, Agnès, El Hajj, Mahmoud, Guillaume, Serge, Martiné, Jean-François   +3 more
core  

Optimizing Weed Control: A Study on the Influence of Drone Sprayer Altitude in Herbicide Application

Jurnal Keteknikan Pertanian Tropis dan Biosistem
This research aims to determine the spraying distance of herbicides using a drone sprayer to achieve effective weed control. The use of herbicides is crucial to managing the competition for plant nutrients that threaten crop yields.
Teuku Musrian, Mas Wisnu Aninditya, Jati Nurcholis   +2 more
doaj   +1 more source

Assessment of agricultural drought in Iraq employing Landsat and MODIS imagery

Open Engineering
Climate change poses an urgent global challenge in water resource management, with drought emerging as a pervasive threat worldwide. Over the past two decades, Iraq has faced severe droughts, categorized into meteorological, agricultural, hydrological ...
Hatem Israa, Alwan Imzahim A., Ziboon Abdul Razzak T., Kuriqi Alban   +3 more
doaj   +1 more source