Results 1 to 10 of about 522,206 (326)

ارزیابی و تهیه نقشه شوری خاک با استفاده از شاخص‌های پوشش گیاهی و تصاویر چند طیفی Sentinel-2 و Landsat-8 در شوره‌زار دشت قزوین [PDF]

open access: yesمدیریت آب و آبیاری, 2023
در این پژوهش، برای بررسی و پایش تغییرات شوری در منطقه، 23 نمونه خاک با مشخصات جغرافیایی مشخص اندازه‌گیری شد. استفاده از دو سنجنده Sentinel-2 و Landsat-8، به‌منظور بررسی و ارزیابی هفت شاخص پوشش گیاهی و پنج شاخص شوری در محیط GEE صورت گرفت و به‌طورکلی 240 ...
محدثه السادات فخار   +1 more
doaj   +1 more source

Automatic Detection Method for Loess Landslides Based on GEE and an Improved YOLOX Algorithm

open access: yesRemote Sensing, 2022
The Loess Plateau is an ecologically fragile area in China; furthermore, loess landslides are typical forms of geological disasters, which severely limit the sustainable development of the local societies and the economy. Studying the automatic detection
Zheng Yu, Ruichun Chang, Zhe Chen
semanticscholar   +1 more source

Influence of mulches on soil moisture and water infiltration in the tomato crop

open access: yesActa Agriculturae Slovenica, 2023
Soil moisture is a key parameter of soil monitoring for observation of vegetation growth, predicting crop production, and improving water resource management.
Imerina TANKEUOO KOPA   +2 more
doaj   +1 more source

Past and future drought in Northwestern Algeria: the Beni Bahdel Dam catchment [PDF]

open access: yesProceedings of the International Association of Hydrological Sciences, 2020
In last decades, the impact of climate change started to appear in the semi-arid regions of the Mediterranean Basin. The severity and frequency of drought events in Northwestern Algeria have affected water resources availability and agriculture.
S. Bouabdelli   +4 more
doaj   +1 more source

Some existence results for a nonlocal non-isotropic problem [PDF]

open access: yesOpuscula Mathematica, 2021
In this paper we deal with the following problem \[\begin{cases}-\sum\limits_{i=1}^{N}\left[ \left( a+b\int\limits_{\, \Omega }\left\vert \partial _{i}u\right\vert ^{p_{i}}dx\right) \partial _{i}\left( \left\vert \partial _{i}u\right\vert ^{p_{i}-2 ...
Rachid Bentifour, Sofiane El-Hadi Miri
doaj   +1 more source

Analyse statistique des débits maximums annuels et synthèse graphique des quantiles : Cas du bassin (Moyen, Bas Chéliff et Côtière)

open access: yesRevue Nature et Technologie, 2023
L’analyse statistique est devenue un outil indispensable d'aide à la décision en matière de bonne gestion des ressources en eaux, De ce fait, une analyse statistique des débits maximaux annuels a été réalisée dans le bassin-versant moyen et le bas de ...
Brahim HABIBI, Mohamed MEDDI
doaj   +6 more sources

Rapid Flood Monitoring Using Sentinel-1 and Landsat-8 Images (Case study: Kashkan River, Poldakhter City) [PDF]

open access: yesNīvār, 2023
Flood is known as one of the natural disasters that cause financial and human losses not only in developing countries but also in the developed countries.
Peyman Peymankhah   +2 more
doaj   +1 more source

Testing Accuracy of Land Cover Classification Algorithms in the Qilian Mountains Based on GEE Cloud Platform

open access: yesRemote Sensing, 2021
The Qilian Mountains (QLM) are an important ecological barrier in western China. High-precision land cover data products are the basic data for accurately detecting and evaluating the ecological service functions of the QLM.
Yanpeng Yang   +4 more
semanticscholar   +1 more source

Land Use and Land Cover (LULC) Change in Eastern Areas of East Java From 1972 To 2021: Learning From Landsat Image

open access: yesJurnal Teknik Pertanian Lampung, 2023
Urban development, population growth, high traffic jams, and intensive disaster events are indicators of changing the landscape of the eastern area of East Java. Investigating these changes is vital for planning and environmental protection in the future.
Marga Mandala   +3 more
doaj   +1 more source

Evaluation of Eco-Environmental Quality in Qaidam Basin Based on the Ecological Index (MRSEI) and GEE

open access: yesRemote Sensing, 2021
As the population has increased and the economy has developed in the Qaidam Basin, the demand for food and energy in the basin has increased, and the contradiction between economic development and ecological protection is gradually becoming prominent. In
H. Jia, Changzhen Yan, Xuegang Xing
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy