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1. Land Degradation Neutrality: the Modern Approach to Research on Arid Regions at the National Level

Author:
Kust, G. S.; Andreeva, O. V.; Lobkovskiy, V. A.
Source:
Arid ecosystems 2020 v.10 no.2 pp. 87-92
ISSN:
2079-0961
Subject:
arid zones,   etc   ; ecosystems; land degradation; Russia;     Show all 4 Subjects
Abstract:
... The results of the application of the concept of land degradation neutrality (LDN) and the methodology to assess LDN indicators for arid regions of Russia are presented for the first time. It is shown that the LDN state has not been achieved in any of the arid regions of our country, since the proportion of degraded lands is positive everywhere and ranges from 9 to 67%. The concept of the LDN inde ...
DOI:
10.1134/S2079096120020092

2. Timing and Causes of the Origin of the Solonetz Process in the Desert–Steppe Soils of the Southeastern Russian Plain

Author:
Borisov, A. V.; Alekseev, A. O.
Source:
Arid ecosystems 2020 v.10 no.1 pp. 27-35
ISSN:
2079-0961
Subject:
arid zones,   etc   ; Solonetz; breeding; cattle; ecosystems; steppes;     Show all 6 Subjects
Abstract:
... The article discusses the time frame and the role of the anthropogenic factor in the solonetz process in soils of the desert–steppe zone of the southeastern Russian Plain. Based on the study of soils of different ages buried under the mounds of the Bronze and Middle Ages (6200–700 years ago) within the Salsko–Manych ridge, it was established that the soils of the region did not bear signs of the s ...
DOI:
10.1134/S2079096120010023

3. Observed heatwave changes in arid northwest China: Physical mechanism and long-term trend

Author:
Luo, Ming; Ning, Guicai; Xu, Feng; Wang, Shigong; Liu, Zhen; Yang, Yuanjian
Source:
Atmospheric research 2020 v.242 pp. 105009
ISSN:
0169-8095
Subject:
arid zones,   etc   ; advection; air temperature; latitude; subsidence; troposphere; China;     Show all 7 Subjects
Abstract:
... Arid regions suffer seriously from frequent and severe heatwaves. As compared to other regions, however, the synoptic-scale characteristics and mechanism of heatwave events in arid region are less understood and warrant in-depth investigations. Using observational and reanalysis datasets, here we investigate the heatwave behaviors in arid northwest China (ANC) during 1961–2014. Results reveal that ...
DOI:
10.1016/j.atmosres.2020.105009

4. Performance of five high resolution satellite-based precipitation products in arid region of Egypt: An evaluation

Author:
Nashwan, Mohamed Salem; Shahid, Shamsuddin; Dewan, Ashraf; Ismail, Tarmizi; Alias, Noraliani
Source:
Atmospheric research 2020 v.236 pp. 104809
ISSN:
0169-8095
Subject:
arid zones,   etc   ; models; rain; rain gauges; satellites; Egypt;     Show all 6 Subjects
Abstract:
... High-resolution daily precipitation estimation is very important in climatological and meteorological studies in the arid regions of the world, as precipitation events in these areas can be sporadic, localized and of very high intensity. In this study, the daily performance of five, ARC2, CHIRPS v2.0, GSMaP (v. 6), TAMSAT (v. 3) and PERSIANN-CCS high resolution satellite-based gauge-corrected prec ...
DOI:
10.1016/j.atmosres.2019.104809

5. Stochastic projection of precipitation and wet and dry spells over Pakistan using IPCC AR5 based AOGCMs

Author:
Nabeel, A.; Athar, H.
Source:
Atmospheric research 2020 v.234 pp. 104742
ISSN:
0169-8095
Subject:
arid zones,   etc   ; atmospheric precipitation; humid zones; semiarid zones; Pakistan;     Show all 5 Subjects
Abstract:
... Stochastic projections of precipitation amount, number of wet days and precipitation per wetday from 25 IPCC AR5 based AOGCMs under RCP4.5 and RCP8.5 are carried out in all climate regimes of Pakistan. In arid climate regime, the ensemble average annual precipitation is projected to decrease by about 5.56%, 3.43%, 4.94% during 2011–2030 (T1), 2046–2065 (T2), 2080–2099 (T3), relative to baseline pe ...
DOI:
10.1016/j.atmosres.2019.104742

6. Appropriate spatial scale for potential woody cover observation in Texas savanna

Author:
Yang, Xuebin; Crews, Kelley; Frazier, Amy E.; Kedron, Peter
Source:
Landscape ecology 2020 v.35 no.1 pp. 101-112
ISSN:
0921-2973
Subject:
arid zones,   etc   ; atmospheric precipitation; ecosystems; savannas; woody plants; Texas;     Show all 6 Subjects
Abstract:
... CONTEXT: Potential woody cover, the upper bound of woody plant cover in savanna ecosystems, represents the end-point of woody plant encroachment and is highly relevant to the dynamics of savanna ecosystems. OBJECTIVES: This study aims to identify the appropriate spatial scale for potential woody cover observation in the savanna of central Texas, USA. METHODS: The upper bound of woody plant cover w ...
DOI:
10.1007/s10980-019-00933-5

7. Observationally constrained projection of the reduced intensification of extreme climate events in Central Asia from 0.5 °C less global warming

Author:
Peng, Dongdong; Zhou, Tianjun; Zhang, Lixia; Zhang, Wenxia; Chen, Xiaolong
Source:
Climate dynamics 2020 v.54 no.1-2 pp. 543-560
ISSN:
0930-7575
Subject:
arid zones,   etc   ; global warming; models; risk; Central Asia;     Show all 5 Subjects
Abstract:
... Arid Central Asia is highly vulnerable to extreme climate events. Information on potential future changes in extreme climate events in Central Asia is limited. In this study, the performances of models from the Coupled Model Intercomparison Project phase 5 (CMIP5) in simulating climatological extremes in Central Asia are first evaluated, and a bias correction method is employed to constrain future ...
DOI:
10.1007/s00382-019-05014-6

8. Conditional distribution selection for SPEI-daily and its revealed meteorological drought characteristics in China from 1961 to 2017

Author:
Ma, Bin; Zhang, Bo; Jia, Lige; Huang, Hao
Source:
Atmospheric research 2020 v.246 pp. 105108
ISSN:
0169-8095
Subject:
arid zones,   etc   ; climate change; disaster preparedness; disasters; drought; meteorological parameters; monsoon season; normal distribution; China;     Show all 9 Subjects
Abstract:
... Drought is one of the most complex natural disasters, while meteorological drought is the root cause of other types of drought. In this study, all meteorological drought events in China from 1961 to 2017 were calculated using the SPEI of the Julian calendar as a time step. The duration and intensity of meteorological drought events and the major meteorological factors that dominated their developm ...
DOI:
10.1016/j.atmosres.2020.105108

9. Investigating the feasibility of artificial convective cloud creation

Author:
Abshaev, Magomet T.; Abshaev, Ali M.; Zakinyan, Robert G.; Zakinyan, Arthur R.; Wehbe, Youssef; Yousef, Latifa; Farrah, Sufian; Mandous, Abdulla Al
Source:
Atmospheric research 2020 v.243 pp. 104998
ISSN:
0169-8095
Subject:
arid zones,   etc   ; aerosols; altitude; convection; mathematical models; solar radiation; streams; temperature; water vapor;     Show all 9 Subjects
Abstract:
... In this paper, we study the physical justification and experimental possibility of stimulating convection in the atmosphere to create artificial convective clouds and precipitation. A prerequisite for creation of artificial convective clouds is the presence of water vapor in the atmosphere; this is an encouraging factor as water vapor is present even in regions with an arid climate. Furthermore, n ...
DOI:
10.1016/j.atmosres.2020.104998

10. Spatial analysis of groundwater flowing artesian condition using machine learning techniques

Author:
Al-Abadi, Alaa M.; Alsamaani, Jassim J.
Source:
Groundwater for sustainable development 2020 v.11 pp. 100418
ISSN:
2352-801X
Subject:
arid zones,   etc   ; aquifers; drilling; graphs; groundwater; inventories; models; probability; support vector machines; sustainable development; wells; Iraq;     Show all 12 Subjects
Abstract:
... This study introduces a methodology for modeling the groundwater artesian condition (AC) in a specific arid region of southern Iraq using five machine learning techniques; the stochastic gradient boosting (SGB), classification and regression trees (CART), random forest (RF), support vector machine (SVM), and k nearest neighbor (kNN). To this aim, an inventory map of flowing and non-flowing groundw ...
DOI:
10.1016/j.gsd.2020.100418

11. Choice of potential evapotranspiration formulas influences drought assessment: A case study in China

Author:
Zhou, Jian; Wang, Yanjun; Su, Buda; Wang, Anqian; Tao, Hui; Zhai, Jianqing; Kundzewicz, Zbigniew W.; Jiang, Tong
Source:
Atmospheric research 2020 v.242 pp. 104979
ISSN:
0169-8095
Subject:
arid zones,   etc   ; algorithms; case studies; drought; drying; evapotranspiration; humid zones; China;     Show all 8 Subjects
Abstract:
... Droughts reflect the extent of water deficit on the land surface, and can be quantified by various indices. In current study, potential evapotranspiration (PET), which is one of factors that have great influence on the drought condition, is estimated by a set of models. The set consists of four temperature-decisive models (Hamon, Hargreaves-Samani, Oudin, Thornthwaite), two radiation-decisive mode ...
DOI:
10.1016/j.atmosres.2020.104979

12. Structural stability and solubility of glycated camel lens ζ-crystallin

Author:
Abdullah, Ejlal Mohamed; Haq, Samina Hyder; Ahmed, Mohammed Asif; Khan, Javed Masood; Alamery, Salman Freeh; Malik, Ajamaluddin
Source:
International journal of biological macromolecules 2020 v.158 pp. 384-393
ISSN:
0141-8130
Subject:
arid zones,   etc   ; amyloid; camels; cataract; etiology; eye lens; fructose; glucose; glycation; hydrophobicity; retina; solubility;     Show all 12 Subjects
Abstract:
... The camel has several biochemical, physiological, and anatomical features to withstand the harsh desert climate. Camel eye lens contains a novel protein (ζ-crystallin) in bulk quantity. Previous reports suggest that non-enzymatic glycation of eye lens proteins plays an important role in the etiology of cataract. In this study, we have characterized the role of glucose, fructose, and methylglyoxal ...
DOI:
10.1016/j.ijbiomac.2020.04.091

13. A two-dimensional, higher-order, enthalpy-based thermomechanical ice flow model for mountain glaciers and its benchmark experiments

Author:
Wang, Yuzhe; Zhang, Tong; Xiao, Cunde; Ren, Jiawen; Wang, Yanfen
Source:
Computers & geosciences 2020 v.141 pp. 104526
ISSN:
0098-3004
Subject:
arid zones,   etc   ; drainage; energy balance; enthalpy; freshwater; glaciers; hydrologic models; ice; sea level; water resources;     Show all 10 Subjects
Abstract:
... Understanding the dynamics of glaciers is essential for the knowledge of global sea-level rise, local freshwater resources in high mountain and arid regions, and the potential glacial hazards. In this paper, we present a two-dimensional thermomechanically coupled ice flow model named PoLIM (Polythermal Land Ice Model). The velocity solver of PoLIM is developed based on the Blatter–Pattyn approxima ...
DOI:
10.1016/j.cageo.2020.104526

14. Design optimization criteria for windows providing low energy demand in office buildings in Algeria

Author:
BADECHE, Mounira; Badeche, Mounira; Bouchahm, Yasmina
Source:
Environmental and sustainability indicators 2020 v.6 pp. 100024
ISSN:
2665-9727
Subject:
arid zones,   etc   ; Mediterranean climate; buildings; computer simulation; cooling; energy conservation; energy efficiency; guidelines; heat; shade; Algeria;     Show all 11 Subjects
Abstract:
... Much of the world’s energy demand relates to the built environment. In Algeria, residential and tertiary buildings account for more than 41% of the energy consumed. In order to predict the potential of energy savings on heating and cooling by using an appropriate window in; office spaces, the study adopts the orthogonal method of Taguchi that has been rarely applied; on this sort of topics. Thus, ...
DOI:
10.1016/j.indic.2020.100024

15. Payoff from afforestation under the Three-North Shelter Forest Program

Author:
Cao, Shixiong; Suo, Xinhao; Xia, Chengqi
Source:
Journal of cleaner production 2020 v.256 pp. 120461
ISSN:
0959-6526
Subject:
arid zones,   etc   ; afforestation; desertification; ecological restoration; ecosystems; forests; fruit trees; global warming; plantations; planting; China;     Show all 11 Subjects
Abstract:
... Large-scale afforestation is a primary tool for combatting desertification and global warming. However, the consequences for future ecosystems are complex and poorly understood. To judge the payback from afforestation in arid regions, we assessed the effects of the Three-North Shelter Forest Program, which is the world’s largest ecological restoration program, in predominantly semi-arid to arid re ...
DOI:
10.1016/j.jclepro.2020.120461

16. Weather regimes linked to daily precipitation anomalies in Northern Chile

Author:
Meseguer-Ruiz, Oliver; Cortesi, Nicola; Guijarro, Jose A.; Sarricolea, Pablo
Source:
Atmospheric research 2020 v.236 pp. 104802
ISSN:
0169-8095
Subject:
arid zones,   etc   ; atmospheric circulation; basins; rain; sea level; summer; wind speed; Antarctic region; Arctic region; Chile;     Show all 10 Subjects
Abstract:
... Northern Chile is one of the most arid regions in the world, with precipitation mainly occurring during austral summer, between December and April. The aim of this study is to classify the main weather regimes derived from sea level pressure, surface wind speed, 500 or 250 hPa geopotential heights, in order to measure their influence on precipitation anomalies and determine if they can be consider ...
DOI:
10.1016/j.atmosres.2019.104802

17. A global quantitation of factors affecting evapotranspiration variability

Author:
Feng, Shuyun; Liu, Jianyu; Zhang, Qiang; Zhang, Yongqiang; Singh, Vijay P.; Gu, Xihui; Sun, Peng
Source:
Journal of hydrology 2020 v.584 pp. 124688
ISSN:
0022-1694
Subject:
arid zones,   etc   ; analytical methods; climate change; evapotranspiration; humid zones; soil; vegetation; water storage; watersheds;     Show all 9 Subjects
Abstract:
... Scientific viewpoints on the long-term hydrological responses to factors other than climatic change remain controversial and yet the impacts of these factors are often neglected at the short-term (such as monthly and annual) timescale. We developed an analytical method to decompose evapotranspiration (E) variability to the variability of precipitation (P), potential evapotranspiration (E₀), total ...
DOI:
10.1016/j.jhydrol.2020.124688

18. Assessing water distribution and agricultural expansion in the Cele Oasis, China

Author:
Waldron, Brian; Gui, Dongwei; Liu, Yi; Feng, Lydia; Dai, Heng
Source:
Environmental monitoring and assessment 2020 v.192 no.5 pp. 288
ISSN:
0167-6369
Subject:
arid zones,   etc   ; case studies; mountains; oases; water analysis; water distribution; water resources; China;     Show all 8 Subjects
Abstract:
... Oases support 90% of the province’s inhabitants and produce more than 95% of the social wealth in Xinjiang Province of China. Oases’ dependency on water availability from mountainous regions plays a critical factor in the sustainability of agricultural practices and oasis expansion. In this study, we have chosen the Cele Oasis located in the south rim of the Taklimakan Desert, typical of oases in ...
DOI:
10.1007/s10661-020-8233-2
PubMed:
32297013
PubMed Central:
PMC7160086

19. Ecological Problems of Agricultural Land Use in Stavropol Krai

Author:
Shapovalov, D. A.; Klyushin, P. V.; Savinova, S. V.
Source:
Arid ecosystems 2020 v.10 no.2 pp. 135-139
ISSN:
2079-0961
Subject:
arid zones,   etc   ; agricultural land; algorithms; biodiversity; crops; ecosystems; land use; monitoring;     Show all 8 Subjects
Abstract:
... The article provides material on the monitoring and analysis of the state and dynamics of the development of erosion processes of agricultural land over a 16-year (2000–2016) period in the districts of Stavropol krai. Currently, the spontaneous decline in agricultural production, which is primarily associated with the agricultural crop, not only contributes to the restoration of natural biological ...
DOI:
10.1134/S2079096120020110

20. Geoinformational Analysis of Desertification of the Northwestern Caspian

Author:
Kulik, K. N.; Petrov, V. I.; Yuferev, V. G.; Tkachenko, N. A.; Shinkarenko, S. S.
Source:
Arid ecosystems 2020 v.10 no.2 pp. 98-105
ISSN:
2079-0961
Subject:
arid zones,   etc   ; animals; climatic factors; desertification; ecosystems; geomorphology; pastures; phytoremediation; spatial data; species diversity; vegetation; wildfires;     Show all 12 Subjects
Abstract:
... Analysis of the dynamics of modern desertification of the Northwestern Caspian with the use of geoinformation technologies and aerospace data showed that the area of degraded and desertified lands in the region increases due to an increase in the anthropogenic factor (pasture load). With a relatively stable number of animals, the role of climatic factors increases, which leads to an increase in th ...
DOI:
10.1134/S2079096120020080