Resultados de búsqueda - "hydrology"

Agricultural land suitability analysis: state-of-the-art and outlooks for integration of climate change analysis por Akpoti, K., Kabo-bah, A.T., Zwart, Sander J.

“…These factors were further categorized in climatic conditions (16), nutrients and favorable soils (34 of soil and landscape), water availability in the root zone (8 for hydrology and irrigation) and socio-economic and technical requirements (11). …”
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Climate change and agriculture in the Sudan: Impact pathways beyond changes in mean rainfall and temperature por Siddig, Khalid, Stepanyan, Davit, Wiebelt, Manfred, Zhu, Tingju, Grethe, Harald

“…We feed climate forcing, water demand, and macro-socioeconomic trends into a modelling suite that includes models for global hydrology, river basin management, water stress, and crop growth, all connected to the International Model for Policy Analysis of Agricultural Commodities and Trade (IMPACT). …”
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Reference evapotranspiration prediction using hybridized fuzzy model with firefly algorithm: Regional case study in Burkina Faso por Tao, H., Diop, L., Bodian, A., Djaman, K., Ndiaye, P.M., Yaseen, Z.M.

“…Reference Evapotranspiration (ETo) is one of the major components of the hydrological cycle that is very essential in water resources planning, irrigation and drainage management and several other hydrology processes. …”
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Performance of bias-correction schemes for CMORPH rainfall estimates in the Zambezi River Basin por Gumindoga, W., Rientjes, T.H.M., Haile, Alemseged Tamiru, Makurira, H., Reggiani, P.

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Managing underground transfer of floods for irrigation: a case study from the Ramganga Basin, India por Reddy, V.R., Rout, S.K., Shalsi, Sarah, Pavelic, Paul, Ross, A.

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Challenges and opportunities for improving N use efficiency for rice production in sub-Saharan Africa por Tsujimoto, Y., Rakotoson, T., Tanaka, A., Saito, Kazuki

“…In rainfed production systems, differences in small-scale topography are also important which affects AEN through dynamic changes in hydrology and variations in the contents of soil organic carbon and clay. …”
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Characterizing shallow groundwater in hillslope aquifers using isotopic signatures: a case study in the Upper Blue Nile Basin, Ethiopia por Setargie, T. A., Tilahun, Seifu A., Schmitter, Petra S., Moges, M. A., Gurmessa, S.K., Tsunekawa, A., Tsubo, M., Berihun, Mulatu L., Fenta, A. A., Haregeweyn, Nigussie

“…A standard unweighted two-component isotope-based hydrograph separation model was used to determine the percentage contribution of shallow groundwater to streamflow. New hydrological insights for the region: The LMWL (d2 H = 8.63·d18O + 18.2) mostly showed heavy isotopic enrichment relative to GMWL, and the LEL (d2 H = 5.45·d18O + 6.96) indicated isotopic enrichment compared to Ethiopian lakes. …”
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Modeling current and future groundwater demands in the White Volta River Basin of Ghana under climate change and socio-economic scenarios por Mensah, J. K., Ofosu, Eric Antwi, Akpoti, Komlavi, Kabo-Bah, A. T., Okyereh, S. A., Yidana, S. M.

“…While the groundwater flow and recharge data may be evaluated using several physical hydrological models, the calibration and validation results suggest that the current modeling approach is capable of reliably predicting future groundwater demand with associated uncertainties. …”
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Evaluation of factors affecting the quality of citizen science rainfall data in Akaki Catchment, Addis Ababa, Ethiopia por Tedla, H. Z., Haile, Alemseged Tamiru, Walker, D. W., Melesse, A. M.

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Post-processed climate dataset for the Sierra Nevada de Santa Marta (SNSM) Region in Colombia por Valencia Gómez, Jefferson, Frankenberger,Jane, Cherkauer, Keith, Martin López, Javier Mauricio, Monserrate Rojas, Fredy Alexander, Silva, Mayesse Aparecida da

“…Monthly cleaned gap-filled climate dataset, derived from raw daily data from the Institute of Hydrology, Meteorology and Environmental Studies (<a href=http://www.ideam.gov.co/>IDEAM</a> by its Spanish name), for a 30-year climate period, from January 1, 1989, to December 31, 2018. …”
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Water savings potentials of irrigation systems: global simulation of processes and linkages por Jägermeyr, J., Gerten, Dieter, Heinke, Jens, Schaphoff, S., Kummu, M., Lucht, W.

“…Based on this enhanced model we provide a gridded world map of irrigation efficiencies that are calculated in direct linkage to differences in system types, crop types, climatic and hydrologic conditions, and overall crop management. …”
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Integrating open-source datasets to analyze the transboundary water–food–energy–climate nexus in Central Asia por Keyser, J. de, Hayes, D. S., Marti, B., Siegfried, T., Seliger, C., Schwedhelm, H., Anarbekov, Oyture, Gafurov, Zafar, Lopez Fernandez, R. M., Ramos Diez, I., Alapfy, B., Carey, J., Karimov, B., Karimov, E., Wagner, B., Habersack, H.

“…Sixty unique datasets were identified, belonging to one of six thematic categories: (1) climate, (2) hydrology, (3) geography and topography, (4) geomorphology, (5) ecology, and (6) anthropogenic uses. …”
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Antibiotic resistance in aquatic environments: priorities and knowledge for water quality modelling [Abstract only] por Jampani, Mahesh, Mateo-Sagasta, Javier, Langan, Simon J.

“…The factors and processes associated with climate change, hydrology and ecology can significantly affect the fate and transport of ARB and ARGs in natural environments. …”
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The combined impact of shallow groundwater and soil salinity on evapotranspiration using remote sensing in an agricultural alluvial setting por Aboelsoud, Hesham, Habib, Ayman, Engel, Bernard A., Hashem, Ahmed A., El-Hassan, Waleed Abou, Govind, Ajit, Elnashar, Abdelrazek, Eid, Mona, Kheir, Ahmed M.S.

“…This study examines shallow GW and soil salinity effects on crop water use in the North Nile Delta during the summer season of 2017 and winter season of 2017/2018. New hydrological insights for the region: The ETLS was moderately affected by groundwater depth (GWD), decreasing from 4.3 to 4.0 mm day− 1 when GWD was reduced from 75 to 120 cm, then increasing to 4.4 mm day− 1 when GWD was increased to 140 cm. …”
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Responses of surface runoff and soil water-erosion to changes in seasonal land cover and rainfall intensity; the case of Shilansha Watershed, Rift Valley Basin of Ethiopia por Gedle, Assefa, Rientjes, T., Haile, Alemseged Tamiru, Mekuria, Wolde, Hallett, P., Smith, J.

“…This study assessed these effects using the event-based physically based distributed open-source Limburg Soil Water Erosion Model (OpenLISEM), incorporating local field data and multi-sensor satellite data processed with machine learning techniques. New Hydrological Insights: During the fallow season, simulated surface runoff and total soil loss were 9.7 % and 47 % larger than the growing season and 0.9 % and 42 % larger than the harvest season, respectively. …”
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Green water availability and water-limited crop yields under a changing climate in Ethiopia por Wakjira, M. T., Peleg, N., Six, J., Molnar, P.

“…An agrohydrological modeling framework was developed to simulate climatic–hydrological–crop interactions. The model was applied to a reference period (1981–2010) and a future period (2020–2099) under scenarios of low, intermediate, and high greenhouse gas emissions with the following aims: (i) evaluate the current green water availability and AY potential, (ii) assess their climate-driven changes, and (iii) analyze the sensitivity of changes in AY to changes in rainfall and atmospheric evaporative demand. …”
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Bridging scales and borders on water availability and use in the transboundary Volta River Basin: a water accounting approach por Owusu, Afua, Akpoti, Komlavi, Leh, Mansoor, Perera, Tharindu, Madushanka, Lahiru, Mekonnen, Kirubel, Tinonetsana, Primrose, Tayebi, N., Escalera-Rodriguez, A. C., Fofana, R., Velpuri, Naga Manohar

“…This study presents a comprehensive multi-scale water accounting of the basin, assessing water flows and usage at basin-wide, sub-basin, and riparian country scales from 2003 to 2021. New hydrological insights for the region: The results reveal average basin closure is 55 % with room for additional water allocation given that utilizable water in the basin is 20 km3 /year and almost 25 % of the basin’s exploitable water is non-recoverable water (wastewater). …”
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Performances of reanalysis products in representing the temperature climatology of Ethiopia por Tadesse, T. A., Tarkegn, T. G., Ray, R. L., Tefera, G. W., Demessie, S. F., Shawul, A. A., Worqlul, A. W., van Oel, P. R., Dile, Y. T., Chukalla, A. D., Haileslassie, Amare, Aniley, E., Tagele, A. B., Bantider, A.

“…In general, the findings underscore the importance of selecting the most suitable reanalysis datasets for Tmin and Tmax separately, tailored to specific temporal scales and AEZs, to improve hydrology and/or climate studies in data scarce portions of the country.…”
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Small multi-purpose reservoir ensemble planning por Andreini, Marc, Schuetz, Tonya, Senzanje, Aidan, Rodríguez, L., Andah, Winston, Cecchi, P., Boelee, Eline, Giesen, Nick van de, Kemp-Benedict, Eric, Liebe, Jens R.

“…The reservoirs are hydrologically linked by the streams that have been dammed. …”
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Environmental impact analysis of two large scale irrigation schemes in Ethiopia por Ruffeis, D., Loiskandl, W., Spendlingwimmer, R., Schonerklee, M., Awulachew, Seleshi Bekele, Boelee, Eline, Wallner, K.

“…Main focus is on the environmental impacts of irrigation on natural resources with special emphasis on soil quality, water quality and downstream impacts, hydrology and potential interference with ecosystems. …”
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