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Journal articles on the topic 'Arid and Semi-Arid Climate'

Author: Grafiati

Published: 14 March 2023

Last updated: 25 July 2025

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1

Zareiee, A. R. "Evaluation of changes in different climates of Iran, using De Martonne index and Mann–Kendall trend test." Natural Hazards and Earth System Sciences Discussions 2, no. 3 (2014): 2245–61. http://dx.doi.org/10.5194/nhessd-2-2245-2014.

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Abstract. In this paper, according to the data of 40 stations in Iran during 1967–2005, changes in different climates of Iran evaluated. The De Martonne index and Mann–Kendall trend test are indexes that by uses the precipitation and temperature provide the evaluate possibility of the climate condition and pattern of climate changes. The objective of this study is to evaluation of changes in different climates in Iran. The results of this research showed that, The surface percent of Iran in the hyper arid, semi arid, humid and hyper humid type 1 climate categories have had a ascending trend, b

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2

Scholes, Robert J. "The Future of Semi-Arid Regions: A Weak Fabric Unravels." Climate 8, no. 3 (2020): 43. http://dx.doi.org/10.3390/cli8030043.

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The regions of the world where average precipitation is between one fifth and half of the potential plant water demand are termed ‘semi-arid’. They make up 15.2% of the global land surface, and the approximately 1.1 billion people who live there are among the world’s poorest. The inter-annual variability of rainfall in semi-arid regions is exceptionally high, due to intrinsic features of the global atmospheric circulation. The observed and projected climate trends for most semi-arid regions indicate warming at rates above the global mean rate over land, increasing evaporative demand, and reduc

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Sikiru, Akeem B., Makinde Olayinka John, Munirat I. Ambali, Ibrahim R. Muhammad, Stephen Sunday Acheneje Egena, and Rasheed Babatunde Olatunbosun. "Draught animal power for climate-smart farming in semi-arid and arid Nigeria: Challenges and oppourtunities." Annals of Arid Zone 62, no. 3 (2023): 197–210. http://dx.doi.org/10.59512/aaz.2023.62.3.2.

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A.V.R. KESAVA RAO, SUHAS P. WANI, K.K. SINGH, et al. "Increased arid and semi-arid areas in India with associated shifts during 1971-2004." Journal of Agrometeorology 15, no. 1 (2013): 11–18. http://dx.doi.org/10.54386/jam.v15i1.1431.

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Climate change is one of the major challenges in 21st century faced by Agriculture in India, more so in the Semi-Arid Tropics (SAT) of the country. In recent years, natural and anthropogenic factors have impacted climate variability and contributed to a large extent to climate change. Based on one degree gridded data of India Meteorological Department (IMD) for 34 years (1971-2004), climatic water balances are computed for 351 pixels in India and used for classifying in to six climate types following Thornthwaite’s moisture regime classification and areas falling under different climatic zones

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Kariuki, Robert Kariuki. "Counter Measures Used by Pastoralist in Arid Areas on Environmental Hazards. A Critical Literature Review." International Journal of Poverty, Investment and Development 2, no. 2 (2022): 22–35. http://dx.doi.org/10.47941/ijpid.1138.

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Purpose: Climate variability, population explosion, and poverty have lowered the adaptive capacity to climate variability of pastoralists in arid and semi-arid areas. The overall objective of this study was to examine counter measures used by pastoralist in arid areas on environmental hazards. A critical literature review Methodology: The paper used a desk study review methodology where relevant empirical literature was reviewed to identify main themes and to extract knowledge gaps. Findings: The study concluded that about 14.8% of the residents in arid and semi-arid areas depend o

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Singh, Pramod K., and Harpalsinh Chudasama. "Pathways for climate change adaptations in arid and semi-arid regions." Journal of Cleaner Production 284 (February 2021): 124744. http://dx.doi.org/10.1016/j.jclepro.2020.124744.

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Zhou, Yanqing, Yaoming Li, Wei Li, Feng Li, and Qinchuan Xin. "Ecological Responses to Climate Change and Human Activities in the Arid and Semi-Arid Regions of Xinjiang in China." Remote Sensing 14, no. 16 (2022): 3911. http://dx.doi.org/10.3390/rs14163911.

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Understanding the impacts and extent of both climate change and human activities on ecosystems is crucial to sustainable development. With low anti-interference ability, arid and semi-arid ecosystems are particularly sensitive to disturbances from both climate change and human activities. We investigated how and to what extent climate variation and human activities influenced major indicators that are related to ecosystem functions and conditions in the past decades in Xinjiang, a typical arid and semi-arid region in China. We analyzed the changing trends of evapotranspiration (ET), gross prim

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Na, Risu, Li Na, Haibo Du, et al. "Vegetation Greenness Variations and Response to Climate Change in the Arid and Semi-Arid Transition Zone of the Mongo-Lian Plateau during 1982–2015." Remote Sensing 13, no. 20 (2021): 4066. http://dx.doi.org/10.3390/rs13204066.

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Vegetation greenness dynamics in arid and semi-arid regions are sensitive to climate change, which is an important phenomenon in global climate change research. However, the driving mechanism, particularly for the longitudinal and latitudinal changes in vegetation greenness related to climate change, has been less studied and remains poorly understood in arid and semi-arid areas. In this study, we investigated changes in vegetation greenness and the vegetation greenness line (the mean growing season normalized difference vegetation index (NDVI) = 0.1 contour line) and its response to climate c

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9

Sui, Xiran, Qiongling Xu, Hui Tao, Bin Zhu, Guangshuai Li, and Zengxin Zhang. "Vegetation Dynamics and Recovery Potential in Arid and Semi-Arid Northwest China." Plants 13, no. 23 (2024): 3412. https://doi.org/10.3390/plants13233412.

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The arid and semi-arid regions of northwest China are characterized by sparse vegetation and fragile ecosystems, making them highly susceptible to the impacts of climate change and human activities. Based on observed meteorological data, the Normalized Difference Vegetation Index (NDVI), the Lund–Potsdam–Jena dynamic global vegetation model (LPJ), a vegetation recovery potential model, and the MK trend test method, this study investigated the spatiotemporal distribution of vegetation recovery potential in northwest China and its relationship with global warming and increasing precipitation. Th

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10

Wang, Miao, Puxing Liu, Xuemei Qiao, Wenyang Si, and Lu Liu. "Spatio-Temporal Characteristics of Dry-Wet Conditions and Boundaries in Five Provinces of Northwest China from 1960 to 2020." Atmosphere 12, no. 11 (2021): 1499. http://dx.doi.org/10.3390/atmos12111499.

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The study of dry-wet climate boundaries in the context of climate warming is of great practical significance for improving the environment of ecologically fragile zones and promoting economic and natural sustainable development. In this study, based on the daily meteorological data of 110 stations, using the wetness index, empirical orthogonal function decomposition, regime shift detection test, Fourier power spectrum, and Kriging interpolation, the researchers analyzed the spatiotemporal characteristics of dry-wet conditions and boundaries in five provinces of Northwest China from 1960 to 202

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Dong, Tong, Jing Liu, Mingjie Shi, Panxing He, Ping Li, and Dahai Liu. "Seasonal Scale Climatic Factors on Grassland Phenology in Arid and Semi-Arid Zones." Land 13, no. 5 (2024): 653. http://dx.doi.org/10.3390/land13050653.

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Influenced by climate change, significant alterations in vegetation phenology have been observed globally. Grassland phenology is highly sensitive to climate change. However, research on the variations in grassland phenology and its responses to seasonal climatic changes in arid and semi-arid regions remains scarce. This study, utilizing Solar-Induced Chlorophyll Fluorescence (SIF) data, meteorological station data, and grassland type data, employs trend analysis and time series analysis to explore the trends of seasonal climatic variability and the sensitivity response of grassland phenology

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Rathore, Priyanka. "Climate Change Adaptation and Resource Resilience in Semi-Arid Regions: Strategies, Challenges, and Case Studies." Journal for Research in Applied Sciences and Biotechnology 3, no. 5 (2024): 119–30. http://dx.doi.org/10.55544/jrasb.3.5.14.

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Semi-arid regions face unique climate change challenges that threaten local ecosystems, agriculture, and water resources. This review explores climate adaptation strategies, resource resilience practices, and policy interventions tailored to semi-arid ecosystems, with a focus on Rajasthan, India, as a representative region. Key strategies include sustainable water resource management, soil conservation, and climate-smart agriculture. Through case studies and a comparative global analysis, this review underscores the importance of blending traditional and modern practices to enhance resilience

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13

Khalili, Ali, and Jaber Rahimi. "Potential impacts of climate change on precipitation patterns over Iran (an arid/semi-arid climate)." International Journal of Hydrology Science and Technology 9, no. 5 (2019): 569. http://dx.doi.org/10.1504/ijhst.2019.10024453.

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Rahimi, Jaber, and Ali Khalili. "Potential impacts of climate change on precipitation patterns over Iran (an arid/semi-arid climate)." International Journal of Hydrology Science and Technology 9, no. 5 (2019): 569. http://dx.doi.org/10.1504/ijhst.2019.102908.

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15

Castellini, Mirko, Simone Di Prima, Ryan Stewart, Marcella Biddoccu, Mehdi Rahmati, and Vincenzo Alagna. "Advances in Ecohydrology for Water Resources Optimization in Arid and Semi-Arid Areas." Water 14, no. 12 (2022): 1830. http://dx.doi.org/10.3390/w14121830.

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Conserving water resources is a current challenge that will become increasingly urgent in future due to climate change. The arid and semi-arid areas of the globe are expected to be particularly affected by changes in water availability. Consequently, advances in ecohydrology sciences, i.e., the interplay between ecological and hydrological processes, are necessary to enhance the understanding of the critical zone, optimize water resources’ usage in arid and semi-arid areas, and mitigate climate change. This Special Issue (SI) collected 10 original contributions on sustainable land management a

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Singh, Nitish Kumar, Vijay Kumar Baraik, and Mahendra Singh Nathawat. "Spatiotemporal changes in Indian land aridity : An assessment based on the CRU data and UNEP’s aridity index." MAUSAM 76, no. 2 (2025): 417–30. https://doi.org/10.54302/mausam.v76i2.6365.

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This study delves into the nuanced dynamics of aridity patterns over Indian land from 1901 to 2021, crucial for informed land and water management amidst rising demands and climate uncertainties. Employing the CRU dataset and UNEP's aridity index, the research identifies five aridity categories and conducts a meticulous spatio-temporal analysis. Utilizing the MK-trend analysis method, significant trends are discerned, elucidating shifts in hyper-arid, arid, semi-arid, sub-humid, and humid lands. Notably, a diminishing trend is observed in hyper-arid, arid, and humid areas, while semi-arid and

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17

Rodriguez, Victoria, Lisa-Marie Moskwa, Rómulo Oses, et al. "Impact of Climate and Slope Aspects on the Composition of Soil Bacterial Communities Involved in Pedogenetic Processes along the Chilean Coastal Cordillera." Microorganisms 10, no. 5 (2022): 847. http://dx.doi.org/10.3390/microorganisms10050847.

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Soil bacteria play a fundamental role in pedogenesis. However, knowledge about both the impact of climate and slope aspects on microbial communities and the consequences of these items in pedogenesis is lacking. Therefore, soil-bacterial communities from four sites and two different aspects along the climate gradient of the Chilean Coastal Cordillera were investigated. Using a combination of microbiological and physicochemical methods, soils that developed in arid, semi-arid, mediterranean, and humid climates were analyzed. Proteobacteria, Acidobacteria, Chloroflexi, Verrucomicrobia, and Planc

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H. HAFTOM, A. HAFTU, K. GOITOM, and H. MESERET. "Agroclimatic zonation of Tigray region of Ethiopia based on aridity index and traditional agro-climatic zones." Journal of Agrometeorology 21, no. 2 (2021): 176–81. http://dx.doi.org/10.54386/jam.v21i2.229.

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The aim of this study was to identify the agroclimatic zones of Tigray region based on aridity index and traditional agroclimatic zone using 37-year (1981-2017) spatial climate data downloaded for Tigray region from Climate Hazards Group InfraRed Precipitation with Station data (CHIRPS) for rainfall and from Enhancing National Climate Services (ENACTS) data for temperature. Arc map 10.3 was used for mapping of all climatic variables and zonation of agro-climatic zones. Potential evapotranspiration (PET) was computed based on Hargreaves formula and the aridity index was computed. Besides, the d

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19

Tunç, Gamze, and Harun Kaman. "Water Harvesting Techniques and Importance for Arid and Semi-Arid Areas." Turkish Journal of Agriculture - Food Science and Technology 10, no. 12 (2022): 2554–59. http://dx.doi.org/10.24925/turjaf.v10i12.2554-2559.5592.

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It is foreseen that there may be a water crisis in the next years due to global climate change, the need for food with the increasing population and the need for fresh water. Due to the scarcity of freshwater resources and the difficulty in access to quality water, water resources should be used in the most efficient way. Water conservation is of great importance in regions where water is scarce. The water harvesting method, which allows rainwater to be collected, stored and reused could be applied in various ways. In this study, water harvesting methods and techniques aiming to develop a stra

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Maan, Haidar, Osama T. Al-Taai, and Saadiyah H. Halos. "Calculating the Environmental Drought Index using the De Martonne Equation for the Rainy Months in Iraq." IOP Conference Series: Earth and Environmental Science 1371, no. 2 (2024): 022001. http://dx.doi.org/10.1088/1755-1315/1371/2/022001.

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Abstract drought is considered one of the most important problems that still facing humanity despite the great scientific progress, arid and semi-arid form about a third of the land area, and no serious effort has been recorded to change this percentage. This study aims to calculate the drought index by using the De Martonne equation and determine the nature of the climate for the rainy months in ten selected meteorological stations in Iraq (Dohuk, Erbil, Sulaymaniyah, Mosul, Baghdad, Rutba, Karbala, Najaf, Nasiriyah, Basra) by using the data of (Temperature, Precipitation) for the period (198

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Umukiza, Etienne, Romain Ntole, Sylvester R. Chikavumbwa, et al. "RAINWATER HARVESTING IN ARID AND SEMI-ARID LANDS OF AFRICA: CHALLENGES AND OPPORTUNITIES." Acta Scientiarum Polonorum Formatio Circumiectus 22, no. 2 (2023): 41–52. http://dx.doi.org/10.15576/asp.fc/2023.22.2.03.

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Aim of the study: Arid and semi-arid lands often face a shortage of freshwater due to uncontrolled runoff. In arid and semi-arid regions of Africa, rainwater harvesting is a promising solution that can be implemented for multiple purposes such as agriculture, recreation, flood control, and drinking water. This study highlighted numerous benefits of rainwater harvesting that can bridge the gap between water demand and availability. Although water scarcity remains a major constraint to life and economic development, it is an obvious fact that arid and semi-arid regions of Africa are slowly adopt

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22

Jury, Mark R. "Spreading of the semi-arid climate across South Africa." Journal of Water and Climate Change 12, no. 8 (2021): 3734–49. http://dx.doi.org/10.2166/wcc.2021.187.

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Abstract The eastward shift of semi-arid climate across South Africa is studied using satellite assimilated cloud cover, vegetation temperature and potential evaporation 1981–2019, and 21st century coupled model projections. Semi-arid thresholds over the plateau have shifted hundreds of kilometers eastward in the Vaal River catchment for potential evaporation, cloud fraction, and vegetation temperature. Coastal cloudiness has also changed due to sea breezes modified by shelf zone sea temperatures. Processes underlying the spread of semi-arid conditions across South Africa are quantified. Desic

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NISHA SAHU, G. P. OBI REDDY, B. DASH, NIRMAL KUMAR, and S. K. SINGH. "Assessment on spatial extent of arid and semi-arid climatic zones of India using GIS." Journal of Agrometeorology 23, no. 2 (2021): 189–93. http://dx.doi.org/10.54386/jam.v23i2.66.

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 In this study, a quantitative assessment of spatial extent of arid and semi-arid climatic zones of India was performed for the period from 1988 to 2018 using potential evapo-transpiration (PET) calculated by Modified Penman Method, estimated from global climate data sets. Climatic water balances computed for 625 stations across the country are used for classifying to bio-climate types based on moisture index and areas falling under arid climatic zones in India are delineated using ArcGIS 10.5. It was noticed a considerable changes in the country’s arid and semi-arid climatic zones betwe

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Blight, Geoffrey E., and Andries B. Fourie. "Experimental landfill caps for semi-arid and arid climates." Waste Management & Research 23, no. 2 (2005): 113–25. http://dx.doi.org/10.1177/0734242x05052458.

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Yu, Yang, and Cun Chang. "The Only Path to Address Climate Change and Intensifying Drought: Global Interdisciplinary Cooperation." Atmosphere 16, no. 4 (2025): 388. https://doi.org/10.3390/atmos16040388.

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Aldrees, A. "Climatic impact on Rainfall Analysis in Al-Madinah Munawwara Region." IOP Conference Series: Earth and Environmental Science 1026, no. 1 (2022): 012032. http://dx.doi.org/10.1088/1755-1315/1026/1/012032.

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Abstract Long-term changes in temperature and weather patterns are referred to as climate change. Climate change and rainfall distribution are inextricably linked to arid and semi-arid regions. Saudi Arabia is entirely located in arid and semi-arid areas, and the arid climate that covers the majority of Saudi Arabia is typically characterized by large temporal and spatial variations in rainfall distribution. The availability of long-term rainfall depth records would be beneficial for studying the impact of climate change. This study aimed to assess the impact of climate change on rainfall anal

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Le Roux, J. S., and Z. N. Roos. "Wash erosion on a debris covered slope in a semi-arid climate." Zeitschrift für Geomorphologie 30, no. 4 (1987): 477–83. http://dx.doi.org/10.1127/zfg/30/1987/477.

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H., Babazadeh, and A. Shamsnia S. "Modeling climate variables using time series analysis in arid and semi arid regions." African Journal of Agricultural Research 9, no. 26 (2014): 2018–27. http://dx.doi.org/10.5897/ajar11.1128.

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José, Daniel Pabón-Caicedo, and Carlos Alarcón-Hincapié Juan. "THE EFFECTS OF CLIMATE CHANGE ON ARID AND SEMI-ARID AREAS OF COLOMBIA." Proceedings of the International conference “InterCarto/InterGIS” 1, no. 22 (2016): 56–62. http://dx.doi.org/10.24057/2414-9179-2016-1-22-56-62.

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Yair, Aaron, and Adar Kossovsky. "Climate and surface properties: hydrological response of small arid and semi-arid watersheds." Geomorphology 42, no. 1-2 (2002): 43–57. http://dx.doi.org/10.1016/s0169-555x(01)00072-1.

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31

Yadav, Brijesh, Lal Chand Malav, Shruti V. Singh, et al. "Spatiotemporal Responses of Vegetation to Hydroclimatic Factors over Arid and Semi-arid Climate." Sustainability 15, no. 21 (2023): 15191. http://dx.doi.org/10.3390/su152115191.

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Understanding the dynamics of vegetative greenness and how it interacts with various hydroclimatic factors is crucial for comprehending the implications of global climate change. The present study utilized the MODIS-derived normalized difference vegetation index (NDVI) to understand the vegetation patterns over 21 years (2001–2021) in Rajasthan, India. The rainfall, land surface temperature (LST), and evapotranspiration (ET) were also analyzed. The changes, at a 30 m pixel resolution, were evaluated using Mann–Kendall’s trend test. The results reveal that the NDVI, ET, and rainfall had increas

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Xu, Jinqin, Xiaochen Zhu, Mengxi Li, Xinfa Qiu, Dandan Wang, and Zhenyu Xu. "Shifts in Dry-Wet Climate Regions over China and Its Related Climate Factors between 1960–1989 and 1990–2019." Sustainability 14, no. 2 (2022): 719. http://dx.doi.org/10.3390/su14020719.

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The shifts in dry-wet climate regions are a natural response to climate change and have a profound impact on the regional agriculture and ecosystems. In this paper, we divided China into four dry-wet climate regions, i.e., arid, semi-arid, semi-humid, and humid regions, based on the humidity index (HI). A comparison of the two 30-year periods, i.e., 1960–1989 and 1990–2019, revealed that there was a shift in climate type in each dry-wet climate region, with six newly formed transitions, and the total area of the shifts to wetter conditions was more than two times larger than that of the shifts

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Williams, C. Jason, and S. Kossi Nouwakpo. "Introduction to the Special Issue “Ecohydrologic Feedbacks between Vegetation, Soil, and Climate”." Water 14, no. 5 (2022): 760. http://dx.doi.org/10.3390/w14050760.

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Vegetation transitions on arid and semi-arid landscapes present unique opportunities for examining structural and functional (pattern and process) ecohydrologic feedbacks that regulate site ecological resilience [...]

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Shilpa, K.C. "Strategies for Water Resource Sustainability in Dry Regions." Journal of Scholastic Engineering Science and Management (JSESM), A Peer Reviewed Universities Refereed Multidisciplinary Research Journal 3, no. 10 (2024): 21–28. https://doi.org/10.5281/zenodo.15031232.

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Arid and semi-arid regions globally face an intensifying crisis of water scarcity driven by climate change, population growth, agricultural demands, and industrial development. This article provides a comprehensive overview of sustainable water management strategies crucial for ensuring the long-term well-being of these water-stressed environments. It explores multifaceted challenges contributing to water scarcity and delves into key solutions encompassing demand-side management, including water conservation and efficiency in agriculture, urban areas, and industry. Supply-side management strat

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Er-Raki, Salah, and Abdelghani Chehbouni. "Remote Sensing in Irrigated Crop Water Stress Assessment." Remote Sensing 15, no. 4 (2023): 911. http://dx.doi.org/10.3390/rs15040911.

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Optimizing water management in agriculture is of crucial importance, especially in arid and semi-arid regions where the existing water shortage is exacerbated by human activities and climate change [...]

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Al-Zamili, Hanan S., and Alaa M. Al-Lami. "Assessment of spatial distributions of some climate indices in Iraq." Journal of Applied and Advanced Research 3, no. 4 (2018): 96. http://dx.doi.org/10.21839/jaar.2018.v3i4.217.

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Aridity is one of the main factors which distinguish the climate of a region and has significant influence on human activities. This study investigated the spatial distribution of the aridity indices to determine the climate conditions in Iraq over the period (1981-2015), depending on the data of the air temperature and rainfall which obtained from 28 stations distributed through Iraq. The used aridity indices are: Lang, Erinc, Emberger, UNEP, De Martonne and Thornthwaite. The spatial distribution was determined using inverse distance weighting (IDW) interpolated method. The results of aridity

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Jia, Qiong, Mengfei Li, and Xuecheng Dou. "Climate Change Affects Crop Production Potential in Semi-Arid Regions: A Case Study in Dingxi, Northwest China, in Recent 30 Years." Sustainability 14, no. 6 (2022): 3578. http://dx.doi.org/10.3390/su14063578.

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Crop production potential (CPP) is profoundly affected by the change in climate factors (e.g., precipitation, temperature, and solar radiation) brought about by climate change, which ultimately affects the quantity and yield of crops. In China, arid and semi-arid regions are mainly located in the western regions and occupy around 59% of the land area. In order to identify the most important climatic factors restricting the increase in CPP and planting systems in the arid and semi-arid regions of northwest China, the changes in climate factors, CPP, and their correlation and planting systems we

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Williams, Simone A., Sharon B. Megdal, Adriana A. Zuniga-Teran, David M. Quanrud, and Gary Christopherson. "Mapping Groundwater Vulnerability in Arid Regions: A Comparative Risk Assessment Using Modified DRASTIC Models, Land Use, and Climate Change Factors." Land 14, no. 1 (2024): 58. https://doi.org/10.3390/land14010058.

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Groundwater vulnerability in arid regions is increasingly influenced by land use changes and climate variability. This study evaluates groundwater vulnerability and contamination risk in the arid/semi-arid Verde River Basin and Prescott Active Management Area using four models: DRASTIC, DRASTIC-LUCC, DRASTIC-LUCC-AHP2, and DRASTIC-LUCC-AHP4. Modifications to the traditional DRASTIC model, including the integration of land use and climate factors and the application of AHP (Analytic Hierarchy Process) to refine variable weighting, significantly enhanced predictive accuracy. Results demonstrate

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Maftei, Carmen Elena, Alina Bărbulescu, and Amela Osman. "Assessment of the Drought Risk in Constanta County, Romania." Atmosphere 15, no. 11 (2024): 1281. http://dx.doi.org/10.3390/atmos15111281.

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Drought poses a significant risk in many parts of the world, especially in regions reliant on agriculture. Evaluating this risk is an essential step in preventing and reducing its impact. In this context, we assess the drought intensity at six sites in Constanța County (Romania) using the de Martonne aridity index. The risk of aridity and vulnerability to drought were evaluated by the Drought Hazard Index (DHI) and Drought Risk Index (DRI), computed based on the Standardized Precipitation Index (SPI). The de Martonne index indicates a variation between the slightly arid and semi-arid climates

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Al Rukabie, Jamal S. Abd, Salwa S. Naif, and Monim H. Al-Jiboori. "Quantitative Impact of Monthly Precipitation on Urban Vegetation, Surface Water and Potential Evapotranspiration in Baghdad Under Wet and Dry Conditions." Nature Environment and Pollution Technology 23, no. 4 (2024): 2383–89. https://doi.org/10.46488/nept.2024.v23i04.041.

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Precipitation is a fundamental variable that is widely used in the organization of water resources and has a great influence on hydrological processes and ecological assessment. This study investigated the quantitative effect of monthly precipitation on surface water area (denoted by the Modified Normalized Difference Water Index, MNDWI), vegetation area (denoted by Normalized Difference Vegetation Index, NDVI), and potential evapotranspiration (PET) during two years (2018 and 2021) in the city of Baghdad, Iraq. Using the Thornthwaite aridity index, the annual aridity was first assessed to qua

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Gurski, Bruno César, Daniela Jerszurki, and Jorge Luiz Moretti de Souza. "Alternative Methods of Reference Evapotranspiration for Brazilian Climate Types." Revista Brasileira de Meteorologia 33, no. 3 (2018): 567–78. http://dx.doi.org/10.1590/0102-7786333015.

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Abstract The choice of consistent alternative methods is essential for the improvement of reference evapotranspiration (ETo) estimation for different climatic regions. Due to a critical gap in knowledge concerning the most adequate alternative ETo methods for the climatic conditions in Paraná, Brazil, this study aimed to test and to evaluate the main estimation alternative methods (Thornthwaite - EToTH; Camargo - EToC; Hargreaves and Samani - EToHS; Linacre - EToL; and, Budyko - EToB) for the subtropical (Cfb) and semi-arid (Bsh) climate types in Brazil. We compared our results with standard E

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Matere, Stella Jane, Rono John Busienei, and Oliver Lee Ernest Mbatia. "IMPACT OF ADAPTATION TO CLIMATE CHANGE ON NET RETURNS IN SMALLHOLDER PIGEON PEA PRODUCTION SYSTEMS IN SEMI-ARID KENYA." International Journal of Agriculture 5, no. 1 (2020): 39. http://dx.doi.org/10.47604/ija.1111.

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Purpose: Improved pigeon pea varieties were promoted in semi-arid areas of Kenya to improve smallholder pigeon pea production systems resilience to climate change. However, the impact of adoption is unknown. This study was carried out to evaluate the impact of adoption on farming households’ net farm returns in semi-arid South Eastern Kenya in the context of adaptation to climate change. The objectives were to (i)describe farmer’s perceptions on production of improved varieties of pigeon peas as an adaptation strategy to climate change, (ii) evaluate the impact of the adoption on household’s n

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Scarnecchia, David L., A. Henderson-Sellers, and A. J. Pitman. "Vegetation and Climate Interactions in Semi-Arid Regions." Journal of Range Management 46, no. 4 (1993): 373. http://dx.doi.org/10.2307/4002477.

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Maia, V. M., F. S. Oliveira, R. F. Pegoraro, I. Aspiazú, and M. C. T. Pereira. "‘Pérola’ pineapple growth under semi-arid climate conditions." Acta Horticulturae, no. 1111 (February 2016): 267–74. http://dx.doi.org/10.17660/actahortic.2016.1111.38.

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George, Richard H. "Growing carnivorous plants in a semi-arid climate." Carnivorous Plant Newsletter 23, no. 2 (1994): 38–40. http://dx.doi.org/10.55360/cpn232.rg634.

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Ahmed, Khalid, Ahmed Saeed, Ghazwan Dahham, and Mahmoud Rafik. "PREDICTING SOIL WATER CONTENTS UNDER SEMI-ARID CLIMATE." Mesopotamia Journal of Agriculture 52, no. 4 (2024): 46–58. https://doi.org/10.33899/mja.2024.147569.1388.

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DIJKSTRA, HENK A. "VEGETATION PATTERN FORMATION IN A SEMI-ARID CLIMATE." International Journal of Bifurcation and Chaos 21, no. 12 (2011): 3497–509. http://dx.doi.org/10.1142/s0218127411030696.

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A partial bifurcation diagram of a reaction–diffusion type model of two-dimensional vegetation patterns in a semi-arid climate is computed using numerical continuation techniques. In previous studies with this model, it has been shown that two positive feedbacks (the infiltration feedback and precipitation feedback) may influence the type of vegetation patterns which appear under a certain precipitation forcing. In this bifurcation study, first the case is considered where the infiltration feedback is the only positive feedback. The partial bifurcation diagram of the different steady states is

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Choubin, Bahram, Arash Malekian, and Mohammad Gloshan. "Application of several data-driven techniques to predict a standardized precipitation index." Atmósfera 29, no. 2 (2016): 121. http://dx.doi.org/10.20937/atm.2016.29.02.02.

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Climate modeling and prediction is important in water resources management, especially in arid and semi-arid regions that frequently suffer further from water shortages. The Maharlu-Bakhtegan basin, with an area of 31 000 km2 is a semi-arid and arid region located in southwestern Iran. Therefore, precipitation and water shortage in this area have many problems. This study presents a drought index modeling approach based on large-scale climate indices by using the adaptive neuro-fuzzy inference system (ANFIS), the M5P model tree and the multilayer perceptron (MLP). First, most of the climate si

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Mohammed, Ruqayah, and Miklas Scholz. "Climate Variability Impact on the Spatiotemporal Characteristics of Drought and Aridityin Arid and Semi-Arid Regions." Water Resources Management 33, no. 15 (2019): 5015–33. http://dx.doi.org/10.1007/s11269-019-02397-3.

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AbstractInvestigating the spatiotemporal distribution of climate data and their impact on the allocation of the regional aridity and meteorological drought, particularly in semi-arid and arid climate, it is critical to evaluate the climate variability effect and propose sufficient adaptation strategies. The coefficient of variation, precipitation concentration index and anomaly index were used to evaluate the climate variability, while the Mann-Kendall and Sen’s slope were applied for trend analysis, together with homogeneity tests. The aridity was evaluated using the alpha form of the reconna

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Güntner, A., J. Olsson, A. Calver, and B. Gannon. "Cascade-based disaggregation of continuous rainfall time series: the influence of climate." Hydrology and Earth System Sciences 5, no. 2 (2001): 145–64. http://dx.doi.org/10.5194/hess-5-145-2001.

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Abstract. Rainfall data of high temporal resolution are required in a multitude of hydrological applications. In the present paper, a temporal rainfall disaggregation model is applied to convert daily time series into an hourly resolution. The model is based on the principles of random multiplicative cascade processes. Its parameters are dependent on (1) the volume and (2) the position in the rainfall sequence of the time interval with rainfall to be disaggregated. The aim is to compare parameters and performance of the model between two contrasting climates with different rainfall generating

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