Results 11 to 20 of about 5,083 (261)

A PROPOSED NEW VEGETATION INDEX, THE TOTAL RATIO VEGETATION INDEX (TRVI), FOR ARID AND SEMI-ARID REGIONS [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012
Abstract. Vegetation indices that provide important key to predict amount vegetation in forest such as percentage vegetation cover, aboveground biomass, and leaf-area index. Arid and semi-arid areas are not exempt of this rule. Arid and semi-arid areas of northeast Iran cover about 3.4 million ha and are populated by two main tree species, the ...
H. Fadaei, R. Suzuki, T. Sakai, K. Torii
openaire   +3 more sources

Spatial variability and driving factors of soil multifunctionality in drylands of China

Regional Sustainability, 2022
Drylands are highly vulnerable to climate change and human activities. The drylands of China account for approximately 10.8% of global drylands, and China is the country most severely affected by aridity in Asia. Therefore, studying the spatial variation
Shihang Zhang, Yusen Chen, Yongxing Lu, Hao Guo, Xing Guo, Chaohong Liu, Xiaobing Zhou, Yuanming Zhang   +7 more
doaj   +1 more source

Aridity in the Central and Southern Pannonian Basin

Atmosphere, 2020
For the investigation of geographical, monthly, seasonal, and annual distributions of aridity and its annual trend in the region of the Central and Southern Pannonian Basin (CSPB), which includes the territories of Hungary and Vojvodina (Northern Serbia),
Milivoj B. Gavrilov, Milica G. Radaković, György Sipos, Gábor Mezősi, Gavrilo Gavrilov, Tin Lukić, Biljana Basarin, Balázs Benyhe, Károly Fiala, Péter Kozák, Zoran M. Perić, Dragan Govedarica, Yang Song, Slobodan B. Marković   +13 more
doaj   +1 more source

The De Martonne aridity index in Calabria (Southern Italy) [PDF]

Journal of Maps, 2019
In this paper, the annual rainfall and temperature values, measured in the period 1951-2016 in a region of southern Italy (Calabria), have been spatially interpolated using deterministic and geostatistical techniques in an R environment. In particular, Inverse Distance Weighting (IDW), Ordinary Kriging (OK), Kriging with External Drift (KED) and ...
Pellicone G, Caloiero T, Guagliardi I
openaire   +2 more sources

Evaluation of Grid-Based Aridity Indices in Classifying Aridity Zones in Iraq [PDF]

Nature Environment and Pollution Technology
In this study, the aridity index (AI) based on gridded climate data was validated for defining aridity and classifying aridity zones in Iraq through comparison with the results obtained by the station-based aridity index. Gauge-based gridded climate data
Wisam Alawadi, Ayman Alak Hassan and Ammar Dakhil
doaj   +1 more source

Special software for aridity indices calculation (AICS); Vojvodina, Serbia case study [PDF]

Zbornik Radova: Geografski institut "Jovan Cvijić", 2013
Knowledge of aridity is necessary to explain the characteristics of the geographical landscape. Increasing aridity due to global warming can be a real hazard, with the threat of desertification. The main aim of this paper is to introduce special
Hrnjak Ivana, Gavrilov Milivoj B., Marković Slobodan B., Lukić Tin, Tošić Ivana, Unkašević Miroslava   +5 more
doaj   +1 more source

Assessment of spatial distribution of aridity indices in Raya valley, northern Ethiopia

Applied Water Science, 2018
Aridity is a risk with the threat of desertification because of erratic precipitation and prolonged droughts. Aridity indices are often used for the climate-based land classification and monitoring droughts.
Mewcha Amha Gebremedhin, Gebrerufael Hailu Kahsay, Hailemariam Gebrewahed Fanta   +2 more
doaj   +1 more source

Global dryland aridity changes indicated by atmospheric, hydrological, and vegetation observations at meteorological stations [PDF]

Hydrology and Earth System Sciences, 2023
In the context of global warming, an increase in atmospheric aridity and global dryland expansion under the future climate has been expected in previous studies.
H. Shi, H. Shi, G. Luo, G. Luo, G. Luo, G. Luo, O. Hellwich, X. He, A. Kurban, A. Kurban, A. Kurban, A. Kurban, P. De Maeyer, P. De Maeyer, P. De Maeyer, P. De Maeyer, T. Van de Voorde, T. Van de Voorde   +17 more
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An aridity index-based formulation of streamflow components

Water Resources Research, 2020
Abstract Direct runoff and baseflow are the two primary components of total streamflow, and their accurate estimation is indispensable for a variety of hydrologic applications. While direct runoff is the quick response stemming from surface and shallow subsurface flow paths and is often associated with floods, baseflow represents the ...
Antonio Alves Meira Neto, Tirthankar Roy, Paulo Tarso Sanches Oliveira, Peter A. Troch   +3 more
openaire   +2 more sources

Identifying a transition climate zone in an arid river basin using the evaporative stress index [PDF]

Natural Hazards and Earth System Sciences, 2019
Aridity indices have been widely used in climate classification. However, there is not enough evidence for their ability in identifying the multiple climate types in areas with complex topography and landscape, especially in those areas with a transition
Y. Liu, L. Hao, D. Zhou, C. Pan, P. Liu, Z. Xiong, G. Sun   +6 more
doaj   +1 more source