Results 61 to 70 of about 219,597 (186)

Modeling of GRACE-Derived Groundwater Information in the Colorado River Basin [PDF]

open access: yes, 2019
Groundwater depletion has been one of the major challenges in recent years. Analysis of groundwater levels can be beneficial for groundwater management.
Ahmad, Sajjad   +3 more
core   +2 more sources

Spatio-temporal modelling of forest monitoring data: Modelling German tree defoliation data collected between 1989 and 2015 for trend estimation and survey grid examination using GAMMs

open access: yes, 2018
Spatio-temporal modelling of tree defoliation data of German forest condition survey is presented. In the present study generalized additive mixed models were used to estimate the spatio-temporal trends of defoliation of the main tree species from 1989 ...
Augustin, Nicole H.   +2 more
core   +1 more source

Drought monitoring in Iran using the perpendicular drought indices

open access: yesInternational Journal of Applied Earth Observation and Geoinformation, 2012
Abstract This paper aims at finding, evaluating and refining an appropriate drought estimation method for semi-arid regions, e.g., Iran using remote sensing. Recently developed methods, the Perpendicular Drought Index (PDI) and Modified Perpendicular Drought Index (MPDI), are selected as satellite based drought indices in this study.
Alireza Shahabfar   +2 more
openaire   +1 more source

Feasibility Analysis and Improvement of Comprehensive Meteorological Drought Index in Chongzuo

open access: yesRenmin Zhujiang, 2020
For the “unreasonably worse drought” showed by the comprehensive meteorological drought index, this paper proposes a non-linear unequal weight calculation method and an improved comprehensive meteorological drought index (CI43), and analyzes the ...
ZHANG Gang   +6 more
doaj  

Pemantauan Dan Peringatan Dini Kekeringan Pertanian Di Indonesia [PDF]

open access: yes, 2016
. Agricultural drought is the most complex natural hazard and affects large areas then causes significant drops in food production. In Indonesia, paddy field drought occurs almost every year and extends during El Niño phenomena with severe consequences ...
Surmaini, E. (Elza)
core  

USAPI USDM: Operational Drought Monitoring in the U.S.-Affiliated Pacific Islands

open access: yesAtmosphere, 2020
The U.S. Drought Monitor (USDM) has been the de facto operational drought monitoring product for the United States for the last two decades. For most of this time, its coverage included the 50 States and Puerto Rico.
Richard R. Heim   +3 more
doaj   +1 more source

Impact of the European Russia drought in 2010 on the Caspian Sea level [PDF]

open access: yes, 2011
This article has been made available through the Brunel Open Access Publishing Fund - Copyright @ 2011 Arpe et al.The hydrological budgets of the Volga basin (VB) and the Caspian Sea (CS) have been analysed. The components of the water balance for the CS
Arpe, K   +3 more
core   +2 more sources

Improving meteorological drought monitoring capability over tropical and subtropical water-limited ecosystems: evaluation and ensemble of the Microwave Integrated Drought Index

open access: yesEnvironmental Research Letters, 2019
The monitoring of meteorological drought is critically important for tropical and subtropical water-limited ecosystems, which play key roles in the global carbon cycle and ecosystem services.
Anzhi Zhang, Gensuo Jia, Hesong Wang
doaj   +1 more source

Analyzing the potential of ASCAT Surface Soil Moisture 6.25 km for drought monitoring over Mexico [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
This study assessed the potential of the ASCAT SSM 6.25 km product for agricultural drought monitoring across Mexico. The drought monitoring in Mexico currently relies on precipitation-based indices, without considering the use of in situ soil moisture ...
D. A. Vázquez Rodríguez   +4 more
doaj   +1 more source

Latihan mengajar : Keberkesanannya terhadap pelajar Diploma Kejuruteraan serta Pendidikan di KUiTTHO (Kolej Universiti Teknologi Tun Hussein Onn) menurut persepsi pelajar [PDF]

open access: yes, 2003
Kajian yang dijaiankan adaiah bertajuk "Latihan Mengajar : Kebersanannya Terhadap Pelajar Diploma Kejuruteraan berserta Pendidikan di KUiTTHO (Kolej Universiti Teknologi Tun Hussein Onn Menurut Persepsi Pelajar.
Jamian, Yuhani
core  

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