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Journal articles on the topic 'Drought Prone'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Kamruzzaman, Mohammad, Syewoon Hwang, Jaepil Cho, Min-Won Jang, and Hanseok Jeong. "Evaluating the Spatiotemporal Characteristics of Agricultural Drought in Bangladesh Using Effective Drought Index." Water 11, no. 12 (2019): 2437. http://dx.doi.org/10.3390/w11122437.

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This study aims to assess the spatiotemporal characteristics of agricultural droughts in Bangladesh during 1981–2015 using the Effective Drought Index (EDI). Monthly precipitation data for 36 years (1980–2015) obtained from 27 metrological stations, were used in this study. The EDI performance was evaluated for four sub-regions over the country through comparisons with historical drought records identified by regional analysis. Analysis at a regional level showed that EDI could reasonably detect the drought years/events during the study period. The study also presented that the overall drought

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KANWAL, VINITA, SMITA SIROHI, and PREM CHAND. "Effect of drought on livestock enterprise: Evidence from Rajasthan." Indian Journal of Animal Sciences 90, no. 1 (2020): 94–98. http://dx.doi.org/10.56093/ijans.v90i1.98229.

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Livestock act as a cushion against vagaries of nature and augment income of the farmers, particularly in drought prone Rajasthan. However, to what extent it withheld the adverse climatic situation has been a less probed area at least at macro-level. This paper studies the impact of drought on milk and meat enterprises in the drought prone state of Rajasthan using district level secondary data for the period of 1983/84 to 2015/16. Standardized Precipitation Index (SPI) was used to determine drought years. Results indicated that although the sector has been able to absorb the minor shocks of dro

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Sun, Xupeng, Peiyu Lai, Shujing Wang, Lisheng Song, Mingguo Ma, and Xujun Han. "Monitoring of Extreme Agricultural Drought of the Past 20 Years in Southwest China Using GLDAS Soil Moisture." Remote Sensing 14, no. 6 (2022): 1323. http://dx.doi.org/10.3390/rs14061323.

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Drought can cause severe agricultural economic losses and hinder social and economic development. To manage drought, the process of drought events needs to be described with the help of an effective drought indicator. As a comprehensive variable, soil moisture is an essential indicator for describing agricultural drought. In this work, the extreme drought events in southwest China were analysed by the Global Land Data Assimilation System (GLDAS) root zone soil moisture data set. To define the drought quantitatively, a Standardized Soil Moisture Drought Index (SSMI) was calculated using the soi

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Raha, Shrinwantu, and Sayan Deb. "Spatiotemporal Assessment of Meteorological Drought of Paschim Medinipur District, West Bengal, India." Hydrospatial Analysis 6, no. 2 (2022): 54–72. http://dx.doi.org/10.21523/gcj3.2022060201.

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The drought phenomenon is linked to the water scarcity and these are the pressing issues that require careful and thoughtful consideration. Drought in India mostly affects regions that are part of numerous plateaus, including the Chottanagpur plateau and the Deccan plateau. The Paschim Medinipur District of West Bengal, which is located in the southern portion of the Chottanagpur plateau, has recently experienced extreme and severe drought on multiple occasions. The assessment of the drought scenario in this region is, nevertheless, still very far from being finalized. Using the Standardized P

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Dr. V. V. Kulkarni, Dr V. V. Kulkarni. "Variability of Biodiversity in Drought Prone Area." Indian Journal of Applied Research 3, no. 3 (2011): 364–65. http://dx.doi.org/10.15373/2249555x/mar2013/124.

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Rajee, R., and V. Emayavaramban. "Examining Drought Behaviour Using Departure Index and Rainfall Anomaly Index for Nambiyar River Basin, Tamil Nadu." Geo-Eye 10, no. 2 (2021): 5–9. https://doi.org/10.53989/bu.ge.v10i2.2.

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Drought is caused by a lack of long-term rainfall. The humans as well as environment are greatly affected due to drought. It is not related to particular climate regions but it causes similar effect in all climatic regions of the world. There are a number of drought prone areas in India so the Government of India has developed a Drought Affected Area Plan which is being implemented in drought prone areas. An attempt has been made in this paper studying two drought indices such as Departure Index (DI) and Rainfall Anomaly Index (RAI) in Nambiyar River Basin of Tamil Nadu to assess the drought c

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Rajee, R., and V. Emayavaramban. "Examining drought behaviour using departure index and rainfall anomaly index in Nambiyar river basin, Tamil nadu." Geo Eye 7, no. 2 (2018): 20–24. http://dx.doi.org/10.53989/bu.ge.v7i2.6.

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Drought is one of the complex natural phenomena. In extreme cases, drought causes great damage to the economy and human life. Drought is caused by a lack of long-term rainfall. The humans as well as the environment are greatly affected due to drought. It is not related to particular climate regions but it causes a similar effect in all climatic regions of the world. There are several drought-prone areas in India so the Government of India has developed a Drought Affected Area Plan which is being implemented in drought-prone areas. An attempt has been made in this paper studying two drought ind

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8

Alamgir, Mahiuddin, Morteza Mohsenipour, Rajab Homsi, et al. "Parametric Assessment of Seasonal Drought Risk to Crop Production in Bangladesh." Sustainability 11, no. 5 (2019): 1442. http://dx.doi.org/10.3390/su11051442.

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Droughts are more damaging when they occur during crop growing season. This research assessed the spatial distribution of drought risks to crops in Bangladesh. Catastrophe theory-based weighting method was used to estimate drought hazard, exposure, and risk by avoiding potential human bias. Ten major crops, including eight different types of rice, wheat, and potato, were selected for evaluation of drought risk. Results showed that 32.4%, 27.2%, and 16.2% of land in Bangladesh is prone to extreme Kharif (May-October), Rabi (November-April), and pre-Kharif (March-May) droughts, respectively. Amo

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An, Qiang, Huaxiang He, Juanjuan Gao, et al. "Analysis of Temporal-Spatial Variation Characteristics of Drought: A Case Study from Xinjiang, China." Water 12, no. 3 (2020): 741. http://dx.doi.org/10.3390/w12030741.

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It is of great significance to study the characteristics and change trends of drought in Xinjiang to provide a basis for implementing local strategies. Based on monthly precipitation and temperature data from 95 meteorological stations in Xinjiang, from 1960 to 2018, the Standardized Precipitation Evapotranspiration Index (SPEI) was calculated, and the characteristics and trends of drought in Xinjiang were analysed, in details. Furthermore, a comprehensive evaluation index, i.e., Regional Drought Severity (RDS), was proposed to analyse the effects of duration of the drought and the extent of t

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ATILA, BEZDAN, BENKA PAVEL, GRABIĆ JASNA, GREGORIČ GREGOR, and SALVAI ATILA. "CHARACTERIZATION OF DROUGHTS IN SERBIA USING STANDARDIZED PRECIPITATION INDEX AND MARKOV CHAINS." Contemporary Agriculture (2011) 60, no. 3-4 (2011): 333–41. https://doi.org/10.5281/zenodo.7351194.

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This paper presents an application of homogeneous Markov chain model to time series of SPI in order to characterize droughts in Serbia. The long-term probabilities of occurrence of different drought severity classes, recurrence times, expected residence time in each drought class and expected first passage time to reach the non-drought state were computed. Results are presented in a form of maps and the drought-prone areas are identified. Results of the performed analysis are useful in the context of drought early warning systems and in a planning of drought mitigation practices.

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11

ALKAN, Çayan. "Trend Analysis of Some Crop Yields and Agro-Meteorologic Drought in the Trakya Region." ISPEC Journal of Agricultural Sciences 8, no. 4 (2024): 858–70. https://doi.org/10.5281/zenodo.13340849.

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Drought is one of the most dangerous-meteorologic events affecting agriculture. Drought can be determined by indexes. In this study, the relationship between the Standard Precipitation Index (SPI) results and trend analysis results was examined. Thus, the consistency of the drought in Trakya with the results of the trend analysis was investigated. For this purpose, using the precipitation data of Tekirdag, Kirklareli, and Edirne Meteorological Observation Stations (MOS), drought analysis was done with SPI, trend analysis was done with the help of Mann-Kendall, Sen and Linear Regression methods

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MacAllister, Sarah, Maurizio Mencuccini, Ulf Sommer, et al. "Drought-induced mortality in Scots pine: opening the metabolic black box." Tree Physiology 39, no. 8 (2019): 1358–70. http://dx.doi.org/10.1093/treephys/tpz049.

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Abstract Forests are sensitive to droughts, which increase the mortality rate of tree species. Various processes have been proposed to underlie drought-induced tree mortality, including hydraulic failure, carbon starvation and increased susceptibility to natural enemies. To give insights into these processes, we assessed the metabolic effects of a mortality-inducing drought on seedlings of Pinus sylvestris L. (Scots Pine), a widespread and important Eurasian species. We found divergence over time in the foliar metabolic composition of droughted vs well-watered seedlings, with the former showin

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Fan, Lei, Yi Wang, Chenglin Cao, and Wen Chen. "Teleconnections of Atmospheric Circulations to Meteorological Drought in the Lancang-Mekong River Basin." Atmosphere 15, no. 1 (2024): 89. http://dx.doi.org/10.3390/atmos15010089.

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The Lancang-Mekong River Basin (LMRB) is one of the major transboundary basins globally, facing ongoing challenges due to flood and drought disasters. Particularly in the past two decades, the basin has experienced an increased frequency of meteorological drought events, posing serious threats to the local socio-economic structures and ecological systems. Thus, this study aimed to analyze the meteorological drought characteristics in the LMRB and identify the impact and correlation of atmospheric circulation on the meteorological drought in the basin. Specifically, the different levels of mete

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14

Dutta, Venkatesh, Manoj Vimal, Sonvir Singh, and Rana Pratap Singh. "Agricultural practices in a drought-prone region of India: opportunities for S&T innovations." World Journal of Science, Technology and Sustainable Development 16, no. 4 (2019): 208–26. http://dx.doi.org/10.1108/wjstsd-04-2018-0019.

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Purpose The purpose of this paper is to assess the agricultural practices in a drought-prone region of India in an effort to find out how science, technology and innovation (STI) measures can address the existing problems and help achieve sustainable solutions. This study has been planned with two specific objectives: to study the agricultural practices of small and marginal-holding farmers in a drought-prone region and to examine the opportunities for suitable interventions to mitigate the impacts of droughts. The study is based on primary survey conducted in Banda district of Bundelkhand reg

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15

Khandoker, S., MA Monayem Miah, MA Rashid, M. Khatun, and MZA Talukder. "Profitability of winter maize cultivation in drought prone areas of Bangladesh." Bangladesh Journal of Agricultural Research 43, no. 2 (2018): 219–34. http://dx.doi.org/10.3329/bjar.v43i2.37327.

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The study was conducted in four districts namely Rajshahi, Chuadanga, Comilla and Rangpur during 2015-2016 to estimate the effect of drought in maize production, technical efficiency and adaptation strategy of maize farmers, and explore related problems of maize cultivation in the study areas.Rajshahi and Chuadanga were selected as drought prone areas whereas Rangpur and Comilla were selected as favorable environment. A total of 200 farmers taking 50 from each district were selected randomly for the study. Per hectare total cost of maize cultivation in drought prone areas was found Tk. 92,582,

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16

Khafid, Mohammad Abdul, Yusman Syaukat, and Cecep Kusmana. "ECONOMIC VALUATION ESTIMATION OF SUPPLEMENTARY IRRIGATION WATER IN CROP FARMING ENTERPRISES IN BANTUL REGENCY." Agrisocionomics: Jurnal Sosial Ekonomi Pertanian 8, no. 3 (2024): 771–92. https://doi.org/10.14710/agrisocionomics.v8i3.21738.

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Hydrological droughts in Bantul Regency significantly reduce crop productivity to an average of 59.97 kw/ha, thereby affecting farmers' income due to land conversion and water scarcity. This study evaluates the economic implications of supplementary irrigation in high, moderate, and low drought-prone zones. Farmers in low (Sabdodadi) and moderate (Guwosari) drought-prone areas can cultivate rice twice a year, whereas those in high drought-prone areas (Wukirsari) can do so only once. The methods employed include literature review, field survey, field data collection, and data analysis using RIA

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17

SINGH, VIKASH, SASWAT KUMARKAR, and A. K. NEMA. "Drought severity assessment in south Bihar Agro-Climatic zone." MAUSAM 72, no. 4 (2021): 865–78. http://dx.doi.org/10.54302/mausam.v72i4.3554.

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The present study has been focused to recognize and quantify the drought condition in Bihar Agro-climatic Zone-III, which falls in the drought-prone region of Bihar. The zone covers the whole South Bihar region, comprising of seventeen districts. The drought severity assessment in the study area has been carried out by two methods i.e., the rainfall departure analysis and the probability analysis. The research work has been carried out at a grid level consisting of fifty-five grids. The analysis of work has been further evaluated district-wise and in addition the result has been interpreted fo

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18

Yang, XiaoJuan, Yuan Liu, Wei Bai, and BuChun Liu. "Spatiotemporal Assessment of Drought Related to Soybean Production and Sensitivity Analysis in Northeast China." Journal of Applied Meteorology and Climatology 56, no. 4 (2017): 937–52. http://dx.doi.org/10.1175/jamc-d-16-0195.1.

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AbstractDrought is a typical disaster in the main soybean production area of northeast China. The spatiotemporal variations of drought related to soybean production based on a crop water deficit index (CWDI) and sensitivity to meteorological variables were investigated in northeast China using daily meteorological data from 87 weather stations from 1981 to 2010. Statistical analysis revealed that precipitation could not meet the water demands of soybeans during the seedling–branching, filling, and maturing stages, and excessive drought occurred more often in northeast China. The Mann–Kendall t

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Mishra, Siba Prasad, and Bhumika Bauri. "Carving Drought Impact Over Purulia District, West Bengal, India." Advances in Research 25, no. 3 (2024): 186–205. http://dx.doi.org/10.9734/air/2024/v25i31064.

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Purulia was the westernmost district of West Bengal (from 1956) and is drought-prone due to deficient rainfall, its undulating topography with rugged hilly terrains and its positioning near the Tropic of Cancer, the spatial evaluation of vulnerable and risk-prone places. The various impacts of drought, such as meteorological, hydrological, and agricultural, are assessed by considering the meteorological parameters, vulnerability, and risk levels. The fundamental factors impacting susceptibility and risk are recognised, and the drought years are analysed. The methodologies applied GIS tec

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20

SAMBASIVARAO, A., and AR SUBRAMANIAM. "An analysis of droughts in Maharashtra by a modified Palmer's approach." MAUSAM 37, no. 3 (1986): 377–84. http://dx.doi.org/10.54302/mausam.v37i3.2462.

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Droughts pose a serious problem in rainfed agriculture of Maharashtra. The commencement and cessation of different intensities of meteorological droughts during 1934- 77 at 23 locations of the State are identified by using the Palmer's approach. While adopting Palmer's approach, the definition of potential runoff and the weighting factors originally given by him are suitably modified for the climatic conditions of Maharashtra. The modified drought indices performed well for identification of various classes of droughts in the region. The analysis shows that the spatial distribution of drought

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Mitra, Ashok K. "Irrigation in Drought Prone Areas." Artha Vijnana: Journal of The Gokhale Institute of Politics and Economics 29, no. 4 (1987): 305. http://dx.doi.org/10.21648/arthavij/1987/v29/i4/116241.

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22

Shrestha, Alen, Md Mafuzur Rahaman, Ajay Kalra, Balbhadra Thakur, Kenneth W. Lamb, and Pankaj Maheshwari. "Regional Climatological Drought: An Assessment Using High-Resolution Data." Hydrology 7, no. 2 (2020): 33. http://dx.doi.org/10.3390/hydrology7020033.

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Regional assessments of droughts are limited, and meticulous assessments over larger spatial scales are generally not substantial. Understanding drought variability on a regional scale is crucial for enhancing the resiliency and adaptive ability of water supply and distribution systems. Moreover, it can be essential for appraising the dynamics and projection of droughts based on regional climate across various spatial and temporal scales. This work focuses on drought analysis using a high-resolution dataset for three drought-prone regions of India between 1950 and 2016. This study also uses mo

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Ault, Toby R. "On the essentials of drought in a changing climate." Science 368, no. 6488 (2020): 256–60. http://dx.doi.org/10.1126/science.aaz5492.

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Droughts of the future are likely to be more frequent, severe, and longer lasting than they have been in recent decades, but drought risks will be lower if greenhouse gas emissions are cut aggressively. This review presents a synopsis of the tools required for understanding the statistics, physics, and dynamics of drought and its causes in a historical context. Although these tools have been applied most extensively in the United States, Europe, and the Amazon region, they have not been as widely used in other drought-prone regions throughout the rest of the world, presenting opportunities for

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Diao, Haoyu, Anzhi Wang, Hong Yang, Fenghui Yuan, Dexin Guan, and Jiabing Wu. "Responses of evapotranspiration to droughts across global forests: a systematic assessment." Canadian Journal of Forest Research 51, no. 1 (2021): 1–9. http://dx.doi.org/10.1139/cjfr-2019-0436.

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Forest evapotranspiration (ET) is one of the most important factors influencing the terrestrial hydrological cycle and is prone to being influenced by increasing drought events. This highlights the need to understand the interaction between global forest ET and drought. Consequently, we drew 710 sets of ecosystem-scale ET observations from 69 forest sites around the world and then systematically assessed the ET anomalies during droughts across the dominant forest and climate types. Overall, the response of forest ET to drought is non-monotonic. Under severe and extreme droughts with long durat

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Yuan, Fei, Mingwei Ma, Liliang Ren, et al. "Possible Future Climate Change Impacts on the Hydrological Drought Events in the Weihe River Basin, China." Advances in Meteorology 2016 (2016): 1–14. http://dx.doi.org/10.1155/2016/2905198.

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Quantitative evaluation of future climate change impacts on hydrological drought characteristics is one of important measures for implementing sustainable water resources management and effective disaster mitigation in drought-prone regions under the changing environment. In this study, a modeling system for projecting the potential future climate change impacts on hydrological droughts in the Weihe River basin (WRB) in North China is presented. This system consists of a large-scale hydrological model driven by climate outputs from three climate models (CMs) for future streamflow projections,

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Dalezios, N. R., A. Blanta, and N. V. Spyropoulos. "Assessment of remotely sensed drought features in vulnerable agriculture." Natural Hazards and Earth System Sciences 12, no. 10 (2012): 3139–50. http://dx.doi.org/10.5194/nhess-12-3139-2012.

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Abstract. The growing number and effectiveness of Earth observation satellite systems, along with the increasing reliability of remote sensing methodologies and techniques, present a wide range of new capabilities in monitoring and assessing droughts. A number of drought indices have been developed based on NOAA-AVHRR data exploiting the remote sensing potential at different temporal scales. In this paper, the remotely sensed Reconnaissance Drought Index (RDI) is employed for the quantification of drought. RDI enables the assessment of hydro-meteorological drought, since it uses hydrometeorolo

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Hoque, Muhammad, Biswajeet Pradhan, Naser Ahmed, and Abdullah Alamri. "Drought Vulnerability Assessment Using Geospatial Techniques in Southern Queensland, Australia." Sensors 21, no. 20 (2021): 6896. http://dx.doi.org/10.3390/s21206896.

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In Australia, droughts are recurring events that tremendously affect environmental, agricultural and socio-economic activities. Southern Queensland is one of the most drought-prone regions in Australia. Consequently, a comprehensive drought vulnerability mapping is essential to generate a drought vulnerability map that can help develop and implement drought mitigation strategies. The study aimed to prepare a comprehensive drought vulnerability map that combines drought categories using geospatial techniques and to assess the spatial extent of the vulnerability of droughts in southern Queenslan

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Sun, Jiwei, Shuoben Bi, Bashar Bashir, et al. "Historical Trends and Characteristics of Meteorological Drought Based on Standardized Precipitation Index and Standardized Precipitation Evapotranspiration Index over the Past 70 Years in China (1951–2020)." Sustainability 15, no. 14 (2023): 10875. http://dx.doi.org/10.3390/su151410875.

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Against the backdrop of global climate change, the frequency of drought events is increasing, leading to significant impacts on human society and development. Therefore, it is crucial to study the propagation patterns and trends of drought characteristics over a long timescale. The main objective of this study is to delineate the dynamics of drought characteristics by examining their propagation patterns in China from 1951 to 2020. In this study, precipitation data from meteorological stations across mainland China were used. A comprehensive dataset consisting of 700 stations over the past 70

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Aggile, Lakshmi Prasanna, Shweta Gautam, and B. Sudheer Kumar Reddy. "Analysis of Various Drought Indices over Mathura Region Using Geo-Spatial Technologies." IOP Conference Series: Earth and Environmental Science 982, no. 1 (2022): 012034. http://dx.doi.org/10.1088/1755-1315/982/1/012034.

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Abstract The scarcity of water in any geophysical conditions leads to drought. The vegetation conditions and rainfall need to be assessed efficiently to develop counter measures to tackle the drought. Hence various drought indices such as Vegetation Condition Index (VCI) Standardized Precipitation Index (SPI) and Rainfall Anomaly Index (RAI) were carefully analyzed. Results of VCI showed moderate to severe droughts occurred at study region for the year 2015 in the month of September. SPI and RAI results showed that monsoon months had negative values for all the places in drought year 2015. The

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Iddawela, A. U., H. K. Kadupitiya, S. H. S. A. De Silva, et al. "Identification of drought prone areas in Sri Lanka using multi-temporal satellite data." Tropical Agriculturist 167, no. 1 (2019): 28–40. https://doi.org/10.4038/ta.v167i1.66.

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Drought is an insidious hazard of nature with a slower onset and is often misunderstood as a minor weather hazard. Nevertheless, it has become a common and recurring natural disaster in Sri Lanka during recent times affecting the livelihood of rural agricultural sector in particular. This study has attempted to identify spatial patterns of drought prone areas to improve drought preparedness and strengthen appropriate drought management strategies. Drought prone areas for each month were produced and by aggregating them, a resultant composite map was developed showing overall drought prone poss

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Ismail, M. Rizky, Chandra Bogireddy, Siti Anugrah Mulya Putri Ofrial, and Tiara. "Drought Assessment Using the Standardized Precipitation Index and Its Association with Climate Anomalies in Kotabumi, West Lampung." Indonesian Journal of Environment and Sustainability Issues 2, no. 1 (2025): 54–64. https://doi.org/10.70211/ijesi.v2i1.215.

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This study assesses drought patterns in Kotabumi, West Lampung, Indonesia, using the Standardized Precipitation Index (SPI) at 1-month, 3-month, and 12-month time scales to analyze meteorological, seasonal, and hydrological droughts from 1999 to 2017. The research also explores the relationship between drought severity and global climate anomalies, particularly El Niño and La Niña (ENSO) events. Results show that short-term droughts commonly occur during the dry season (July–October), with several months experiencing extreme drought (SPI < -2.0), such as March 2016 and May 2017. Seasonal dr

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Kamali, B., K. C. Abbaspour, A. Lehmann, B. Wehrli, and H. Yang. "Identification of spatiotemporal patterns of biophysical droughts in semi-arid region – a case study of the Karkheh river basin in Iran." Hydrology and Earth System Sciences Discussions 12, no. 6 (2015): 5187–217. http://dx.doi.org/10.5194/hessd-12-5187-2015.

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Abstract. This study aims at identifying historical patterns of meteorological, hydrological, and agricultural (inclusively biophysical) droughts in the Karkheh River Basin (KRB), one of the nine benchmark watersheds of the CGIAR Challenge Program on Water and Food. Standardized precipitation index (SPI), standardized runoff index (SRI), and soil moisture deficit index (SMDI) were used to represent the above three types of droughts, respectively. The three drought indices were compared across temporal and spatial dimensions. Variables required for calculating the indices were obtained from the

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Walsh, Rory P. D. "Drought frequency changes in Sabah and adjacent parts of northern Borneo since the late nineteenth century and possible implications for tropical rain forest dynamics." Journal of Tropical Ecology 12, no. 3 (1996): 385–407. http://dx.doi.org/10.1017/s0266467400009585.

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ABSTRACTArchival rainfall data are used to investigate changes in drought frequency and severity in Sabah and other parts of northern Borneo since the late nineteenth century. Two measures of drought severity are used: drought duration (given by the number of consecutive months with less than 100 mm rain); and drought intensity (indexed by the cumulative rainfall deficit below 100 mm per month of a drought sequence). Within northern Borneo dry periods are very short (>3 months) and infrequent in Sarawak, south-western Sabah, Brunei and central and western Kalimantan; droughts occur seasonal

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He, Yuanhuizi, Fang Chen, Huicong Jia, Lei Wang, and Valery G. Bondur. "Different Drought Legacies of Rain-Fed and Irrigated Croplands in a Typical Russian Agricultural Region." Remote Sensing 12, no. 11 (2020): 1700. http://dx.doi.org/10.3390/rs12111700.

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Droughts are one of the primary natural disasters that affect agricultural economies, as well as the fire hazards of territories. Monitoring and researching droughts is of great importance for agricultural disaster prevention and reduction. The research significance of investigating the hysteresis of agricultural to meteorological droughts is to provide an important reference for agricultural drought monitoring and early warnings. Remote sensing drought monitoring indices can be employed for rapid and accurate drought monitoring at regional scales. In this paper, the Moderate Resolution Imagin

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Khanal, Aditya R., and Madhav Regmi. "Financial constraints and production efficiency." Agricultural Finance Review 78, no. 1 (2018): 25–40. http://dx.doi.org/10.1108/afr-07-2016-0068.

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Purpose The purpose of this paper is to study the production and efficiency of rice growers in drought prone areas with special attention given to economic and financial factors. Design/methodology/approach The authors use a parametric stochastic frontier approach and a non-parametric data envelopment analysis. Findings The study found that financial and liquidity constraints negatively influence production efficiency while off-farm work positively influences efficiency in drought prone areas. Originality/value Many biotic and abiotic factors affect the production efficiency of rice growers. A

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Zhao, Zhuoyi, Xingming Hao, Xue Fan, Jingjing Zhang, Sen Zhang, and Xuewei Li. "Actual Evapotranspiration Dominates Drought in Central Asia." Remote Sensing 15, no. 18 (2023): 4557. http://dx.doi.org/10.3390/rs15184557.

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Central Asia is a drought-prone region that is sensitive to global climate change. The increased actual evapotranspiration intensifies the drought impacts in this area. However, little is known about the similarities and differences between various types of drought in Central Asia, as well as the relative importance of water income and consumption processes during drought events. Therefore, this study evaluates the trends and characteristics of meteorological, agricultural, and hydrological droughts in Central Asia using precipitation, soil moisture, and terrestrial water storage as indicators

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Fluixá-Sanmartín, Javier, Deng Pan, Luzia Fischer, et al. "Searching for the optimal drought index and timescale combination to detect drought: a case study from the lower Jinsha River basin, China." Hydrology and Earth System Sciences 22, no. 1 (2018): 889–910. http://dx.doi.org/10.5194/hess-22-889-2018.

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Abstract. Drought indices based on precipitation are commonly used to identify and characterize droughts. Due to the general complexity of droughts, the comparison of index-identified events with droughts at different levels of the complete system, including soil humidity or river discharges, relies typically on model simulations of the latter, entailing potentially significant uncertainties. The present study explores the potential of using precipitation-based indices to reproduce observed droughts in the lower part of the Jinsha River basin (JRB), proposing an innovative approach for a catch

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Ndayiragije, Jean Marie, Fan Li, and Athanase Nkunzimana. "Assessment of Two Drought Indices to Quantify and Characterize Drought Incidents: A Case Study of the Northern Part of Burundi." Atmosphere 13, no. 11 (2022): 1882. http://dx.doi.org/10.3390/atmos13111882.

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Droughts are natural catastrophes that cost the health and wealth of humans due to their harmful effects on the natural environment, ecology, hydrology, and agriculture in particular. Droughts are recurring incidents that last for prolonged periods of time in the northern part of Burundi. Despite the region being prone to drought and often suffering from dry conditions, drought has not been widely investigated. For the quantification and characterization of dryness conditions, this research utilized two drought indices, the Standardized Precipitation Evapotranspiration Index (SPEI) and the Sta

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Prakash, S. Shinde, V. Telore Namdev, and S. Chaure Rahul. "Assessment of Meteorological Drought Risk Using Standardized Precipitation Index in Satara District, Maharashtra." International Journal of Advance and Applied Research S6, no. 6 (2025): 61–68. https://doi.org/10.5281/zenodo.15063309.

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<em>Meteorological droughts pose significant challenges in semi-arid regions, impacting agricultural productivity, water resources, and socio-economic stability. This study assesses meteorological drought risk in Satara District, Maharashtra, using the Standardized Precipitation Index (SPI). Annual rainfall data from eleven rain-gauge stations, spanning a 25-year period (2000–2024), were analyzed to calculate SPI values, categorizing drought intensity, frequency, and severity. The analysis reveals pronounced spatial and temporal variability, with specific talukas exhibiting higher drough

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Li, Ming, Guiwen Wang, Shengwei Zong, and Xurong Chai. "Copula-Based Assessment and Regionalization of Drought Risk in China." International Journal of Environmental Research and Public Health 20, no. 5 (2023): 4074. http://dx.doi.org/10.3390/ijerph20054074.

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Droughts are widespread in China and have brought considerable losses to the economy and society. Droughts are intricate, stochastic processes with multi-attributes (e.g., duration, severity, intensity, and return period). However, most drought assessments tend to focus on univariate drought characteristics, which are inadequate to describe the intrinsic characteristics of droughts due to the existence of correlations between drought attributes. In this study, we employed the standardized precipitation index to identify drought events using China’s monthly gridded precipitation dataset from 19

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Gu, Xinchen, Pei Zhang, Wenjia Zhang, et al. "A Study of Drought and Flood Cycles in Xinyang, China, Using the Wavelet Transform and M-K Test." Atmosphere 14, no. 8 (2023): 1196. http://dx.doi.org/10.3390/atmos14081196.

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Accurately identifying and predicting droughts can provide local managers with a basis for decision-making. The Xinyang region is prone to droughts and floods, which have a large impact on local agriculture and socio-economics. This paper employs precipitation data from the Xinyang region to provide a scientific basis for drought and flood control measures in this region. The data are first treated with standardized precipitation indices (SPIs) on three-month, six-month, and nine-month time scales. Subsequently, a Morlet wavelet analysis is performed for each of the three time scales analyzed

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Yin, Jun, Zhe Yuan, and Ting Li. "The Spatial-Temporal Variation Characteristics of Natural Vegetation Drought in the Yangtze River Source Region, China." International Journal of Environmental Research and Public Health 18, no. 4 (2021): 1613. http://dx.doi.org/10.3390/ijerph18041613.

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In the context of climate change, ecosystem in Yangtze River Source Region (YRSR) is under threat from severe droughts. This study introduced a new natural vegetation drought index, standardized supply-demand water index (SSDI), and identified natural vegetation drought events and parameters (e.g., duration, severity, peak, and coverage area) based on run theory. Then the drought-prone regions were investigated via 2-dimensional joint copula. The results indicate that (1) compared with traditional meteorological drought index, the SSDI is reliable and can reflect the comprehensive characterist

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Utami, Rahma Kurnia Sri, Zulkarnain Zulkarnain, Sudarmi Sudarmi, Listumbinang Halengkara, and Farah Azzahra Rahian. "Drought zone monitoring with remote sensing technology in Metro City, Indonesia." Journal of Environment and Geography Education 1, no. 1 (2024): 24–40. http://dx.doi.org/10.61511/jegeo.v1i1.2024.685.

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Background: Lampung Province, Indonesia, is prone to drought, with 232 villages experiencing drought in recent years according to data from the Central Statistics Agency (BPS). Metro City, a region within Lampung Province, is particularly susceptible to drought, as evidenced by a decrease in agricultural production due to drought conditions observed during a three-month period (December 2021–February 2022). Despite the agricultural sector being a crucial economic driver in the region, drought poses significant challenges. Remote Sensing and Geographic Information Systems (GIS) technologies off

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Nikolova, Nina, Kalina Radeva, Leonid Todorov, and Simeon Matev. "Drought Dynamics and Drought Hazard Assessment in Southwest Bulgaria." Atmosphere 15, no. 8 (2024): 888. http://dx.doi.org/10.3390/atmos15080888.

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Awareness of the potential threat posed by drought necessitates the implementation of appropriate procedures to enable effective and systematic actions aimed at mitigating, or at least partially limiting, the impacts of drought events. This paper seeks to analyze the spatial and temporal changes of atmospheric drought in the period 1961–2020 and assesses drought hazards in southwest Bulgaria, which is a region susceptible to periodic water shortages. In this study, the standardized precipitation evaporation index (SPEI), accounting for both precipitation and temperature changes, was used to an

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Aprillya, Mala Rosa, and Heri Ardyansyah. "Performance fuzzy analytical hierarchy process to identify drought areas for disaster mitigation." International Journal of Advances in Applied Sciences 12, no. 4 (2023): 335. http://dx.doi.org/10.11591/ijaas.v12.i4.pp335-342.

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Drought causes crop failure in the agricultural sector and a limited supply of clean water. Land damage due to drought in Lamongan has reached ±12,000 ha in the last decade. The lack of information regarding drought disaster mitigation resulted in quite large losses in several agricultural sectors. The purpose of this study is to develop a decision support system (DSS) that can provide information regarding the identification of drought-prone areas. The fuzzy analytical hierarchy process (FAHP) method is implemented with four criteria: rainfall intensity, slope, soil type, and distance to the

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Mala, Rosa Aprillya, and Ardiansyah Heri. "Performance fuzzy analytical hierarchy process to identify drought areas for disaster mitigation." International Journal of Advances in Applied Sciences (IJAAS) 12, no. 4 (2023): 335–42. https://doi.org/10.11591/ijaas.v12.i4.pp335-342.

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Drought causes crop failure in the agricultural sector and a limited supply of clean water. Land damage due to drought in Lamongan has reached ±12,000 ha in the last decade. The lack of information regarding drought disaster mitigation resulted in quite large losses in several agricultural sectors. The purpose of this study is to develop a decision support system (DSS) that can provide information regarding the identification of drought-prone areas. The fuzzy analytical hierarchy process (FAHP) method is implemented with four criteria: rainfall intensity, slope, soil type, and distance

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Shinde, Prakash S., and Namdev V. Telore. "Drought Risk Assessment in the Yerla River Basin of India using Remote Sensing and GIS Methods." Disaster Advances 18, no. 4 (2025): 30–36. https://doi.org/10.25303/184da030036.

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This study provides a comprehensive evaluation of agricultural drought in the Yerla River Basin of India, leveraging satellite-based remote sensing data and advanced drought indices. Key metrics, including the Normalized Difference Vegetation Index (NDVI), Normalized Difference Water Index (NDWI), Vegetation Condition Index (VCI), Moisture Stress Index (MSI), Enhanced Vegetation Index (EVI) and Soil-Adjusted Vegetation Index (SAVI), were employed to assess drought severity over a 30-years period (1994–2023). Findings indicate that the northern and central regions of the basin are particularly

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Nazarenko, Serhii, Jūratė Kriaučiūnienė, Diana Šarauskienė, and Darius Jakimavičius. "Patterns of Past and Future Droughts in Permanent Lowland Rivers." Water 14, no. 1 (2022): 71. http://dx.doi.org/10.3390/w14010071.

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The problem of droughts is acute due to climate change. The study aims to assess the temporal and spatial drought patterns in Lithuanian lowland rivers in the past and to project these phenomena according to climate scenarios and models. Drought analysis was based on Standardized Precipitation Index (SPI), Reconnaissance Drought Index (RDI) and Streamflow Drought Index (SDI). To evaluate the past patterns, the hydrometeorological data of 17 rivers were used from 1961–2020. Future drought changes were analyzed in 2021–2100 according to the selected RCPs (Representative Concentration Pathways) u

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Zhang, Yuqing, Qinglong You, Guangxiong Mao, Changchun Chen, Xin Li, and Jinhua Yu. "Flash Drought Characteristics by Different Severities in Humid Subtropical Basins: A Case Study in the Gan River Basin, China." Journal of Climate 34, no. 18 (2021): 7337–57. http://dx.doi.org/10.1175/jcli-d-20-0596.1.

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AbstractIt is essential to assess flash drought risk based on a reliable flash drought intensity (severity) index incorporating comprehensive information of the rapid decline (“flash”) in soil moisture toward drought conditions and soil moisture thresholds belonging to the “drought” category. In this study, we used the Gan River basin as an example to define a flash drought intensity index that can be calculated for individual time steps (pentads) during a flash drought period over a given grid (or station). The severity of a complete flash drought event is the sum of the intensity values duri

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Wambura, Frank Joseph. "Sensitivity of the Evapotranspiration Deficit Index to Its Parameters and Different Temporal Scales." Hydrology 8, no. 1 (2021): 26. http://dx.doi.org/10.3390/hydrology8010026.

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Sound estimates of drought characteristics are very important for planning intervention measures in drought-prone areas. Due to data scarcity, many studies are increasingly using less data-intensive approaches, such as the evapotranspiration deficit index (ETDI), in estimations of agricultural droughts. However, little is known about the sensitivity of this specific ETDI formula to its parameters, and to data at different temporal scales. In this study, a general ETDI formula, homologous to the specific ETDI formula, was introduced and used to test the sensitivity of the ETDI to its parameters

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