Analysis of rainfall
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Floods are one of the most significant devastating natural hazards around the globe. Recent development in remote sensing technology supports faster and low-cost analysis of flood hazards. This study used the Sentinel-1 SAR data for flood mapping and damage assessment. We selected the October 2022 flood event in Thua Thien Hue province, Vietnam.
10p vithomson 02-07-2024 0 0 Download
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This study examined the effect of DEM resolutions (12.5 m, 30m, 50m, 70m, and 90m) on the accuracy of landslide susceptibility maps in Laocai city, Laocai province. The eight causative factor maps, including elevation, slope, slope aspect, distance to drainage, distance to roads, lithology, distance to faults, and rainfall, were produced.
8p viellison 06-05-2024 1 1 Download
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This study developed an optimization design for the rain gauge station network in the Da Rang River focusing on the quantity and spatial distribution of rain gauge stations. The geostatistical method combined with spatial interpolation algorithms was applied using rainfall data from 2015-2020.
16p vigojek 02-02-2024 5 1 Download
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We developed a prototype system of the very short-range forecast of precipitation in Vietnam by merging kinematic extrapolations of composite hourly rainfall analysis and NWP, verified its performance for the case of a heavy rainfall event in July 2021 over central Vietnam. First, we produced hourly composite rainfall analysis over Vietnam with a grid distance of 5 km using AWS, radar, and satellite data.
21p vishekhar 01-11-2023 1 1 Download
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This study evaluated the groundwater levels (GWLs) and groundwater quality of Can Tho city using statistical analysis and a Groundwater Quality Index (GWQI). In addition, the groundwater recharge potential from rainfall was investigated for the period 2001-2009.
17p viannee 02-08-2023 5 2 Download
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In this study, we applied three conventional methods to evaluate the extreme hydrological events described in the second section. The results showed that the frequency of extreme rainfall events has doubled during the last two decades.
3p vicaptainmarvel 21-04-2023 5 3 Download
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Yellow lupin (Lupinus luteus L.) is a promising grain legume for productive and sustainable crop rotations. It has the advantages of high tolerance to soil acidity and excellent seed quality, but its current yield potential is poor, especially in low rainfall environments.
13p vihagrid 30-01-2023 8 3 Download
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This study attempts to develop a numerical scheme for 2-D transient analysis under unsaturated conditions. First, the unsaturated groundwater flow was described using the mass conservation law. Then, the Finite Difference Method and Backward Euler approximation were applied for space and time discretization, respectively.
11p haoasakura 30-05-2022 9 1 Download
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This study presents the results of time-variant slope stability analysis by combining the limit equilibrium method with geospatial data. The slope stability analysis was conducted at six times, with the variation of pore water pressure ratio, ru corresponding to the change of rainfall in the study area
11p vinikolatesla 31-03-2022 18 2 Download
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Results show that, according to the linear regression analysis, regional annual rainfall is not much fluctuated, the rainy season and annual rainfall tend to decrease, while rainfall in the dry season tends to increase. According to Sen’s slope chart, July rain gains highest increasement, while that of August tends to decrease most. In general, the precipitation concentration index revealed the presence of a high and very high concentration of rainfall.
11p meyerowitz 25-12-2021 10 0 Download
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In 2018 and 2019, Kerala experienced several episodes of unprecedented floods and landslides. Every information pertaining to the carbon cycle is gaining relevance in the pursuit of adaptation strategies. Hence the present analysis was undertaken to assess the change in pH of water which has indirect effect on carbon cycle and rainfall pattern.
5p cothumenhmong11 11-05-2021 7 1 Download
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The present study was carried out in Krishi Vigyan Kendra Badgaon Balaghat under Jawaharlal Nehru Krishi Vishwavidyalaya Jabalpur. The time trend analysis area, production, and productivity of gram showed that the area under gram was positively and significantly increasing in black soil of Balaghat, (R = 0.73**), production (R = 73**) and productivity (R = 0. 81***) respectively in district having better moisture content. The growth rate of area, production, and productivity in the first decade (1997-98) and second decade (2007-08 to 2016-17) was positive in districts.
6p cothumenhmong11 11-05-2021 7 2 Download
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Medium-range weather forecasts on rainfall play a significant role in making short-term adjustments in daily agricultural operations during monsoon. Therefore, an attempt has been made to analyse and verify the district wise rainfall forecast of North Gujarat.
6p trinhthamhodang11 27-04-2021 23 1 Download
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The knowledge and information on the rainfall dynamics and its distribution over the cropping season are very important for selection of crop varieties and choice of cropping pattern. Block wise historical rainfall data of 24 years (1995 to 2018) of Cuttack District were collected and processed by using Weather cock software to estimate annual, seasonal and monthly rainfall. The analysis of rainfall revealed that the total mean annual rainfall of the district is 1597 mm.
12p trinhthamhodang11 27-04-2021 5 2 Download
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The present research investigation was undertaken to work out the rainfall variability of all districts of Rayalaseema in Andhra Pradesh. The meteorological data of rainfall required for the rainfall variability analysis was collected during 1989-2018 from Central Research Institute for Dryland Agriculture, Hyderabad.
8p caygaocaolon11 21-04-2021 10 1 Download
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The influence of abiotic factors on the charcoal rot incidence caused by the fungus M. phaseolina has been analysed statistically by subjecting weekly weather data with disease incidence data to Multiple Linear Regression analysis. It revealed that there was no significant relation was observed in rainfall and minimum temperature with disease incidence.
7p chauchaungayxua10 19-03-2021 5 1 Download
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In year 2019 may be sais as an unique year which registered rainfall of 2313 mm. Weather parameter trends of Jagdalpur (19.0854° N Latitude, 82.0183° E Longitude, elevation 552 m mean sea level) is analysed by MS – excel software package. Analysis of weather parameters viz. maximum and minimum temperature, rainfall, rainy days and relative humidity was done from 1980 to 2018 (39 years) and 2019.
7p chauchaungayxua11 23-03-2021 15 1 Download
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The study were attempted to develop prediction models for runoff using rainfall as single predictor. An outline for a complete synthetic rainfall-runoff database was developed to study catchment response to a variety of rainfall events. DachigamTelbal catchment was chosen as study site and records of rainfall amount and runoff were organized and analyzed.
5p trinhthamhodang1218 26-02-2021 5 1 Download
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Spatio-temporal data serves as a foundation for most location-based applications nowadays. To handle spatio-temporal data, an appropriate methodology needs to be properly followed, in which space and time dimensions of data must be taken into account ‘altogether’ – unlike spatial (or temporal) data management tools which consider space (or time) separately and assumes no dependency on one another. In this paper, we conducted a survey on spatial, temporal, and spatio-temporal database research.
37p nguaconbaynhay10 22-01-2021 10 2 Download
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The daily weather data of 20 years were collected from the IMD Bapatla. Using daily rainfall, relative humidity, maximum temperature and minimum temperature data of twenty years from 1991-2010 were analysed. The data were also analysed to find out the standard deviation and coefficient of variation during period of study.
11p cothumenhmong9 18-01-2021 12 2 Download