Resultados de búsqueda - "hydrology"

A comprehensive assessment of remote sensing and traditional based drought monitoring indices at global and regional scale por Alahacoon, Niranga, Edirisinghe, M.

“…This study reports a comprehensive review on drought indices used in monitoring meteorological, agricultural, hydrological, and socio-economic drought. Drought indices have been introduced as an important approach to quantitative and qualitative calculations of drought’s severity and impact. …”
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Technical feasibility assessment of mini-hydropower development at selected sites in the Highlands of Ethiopia por Abera, Wuletawu, Woldearegay, Kifle, Tamene, Lulseged D.

“…To obtain the necessary information, an intensive field survey and hydrological modeling were conducted. The two important parameters for estimating power (head and discharge) were calculated from a field theodolite leveling survey and hydrological modeling at designated locations. …”
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What is the irrigation potential for Africa? A combined biophysical and socioeconomic approach por You, Liangzhi, Ringler, Claudia, Nelson, Gerald C., Wood-Sichra, Ulrike, Robertson, Richard D., Wood, Stanley, Guo, Zhe, Zhu, Tingju, Sun, Yan

“…However, the potential for irrigation investments in Africa is highly dependent upon geographic, hydrologic, agronomic, and economic factors that need to be taken into account when assessing the long-term viability and sustainability of planned projects. …”
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Water scarcity and the role of storage in development por Keller, A., Sakthivadivel, Ramaswamy, Seckler, D.

“…In this paper, the authors concentrate on the three kinds of long-term technologies, and compare the hydrological, operational, economic and environmental aspects of each.…”
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Rehabilitation of Degraded Lands in Semiarid and Subhumid Ecologies in India por Singh, Virendra Pal, Verchot, Louis V., Martius, C., Nayak, D., Rizvi, J.

“…Reduced level of soil erosion, some increase in soil depth, enhanced vegetation cover, improved vegetation composition and intraspecies density, and hydrological conditions were positively altered. The hydrological changes were visible not only at the study site but also in the villages inhabited in downstream of the study sites, where inhabiting communities claim increased and for longer duration water level in their wells. …”
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Confronting scale in watershed development in India por Syme, G.J., Reddy, V.R., Pavelic, Paul, Croke, B., Ranjan, R.

“…The effect of geographical scale (or level) on WSD is determined by the variation in other drivers that will influence WSD success such as hydrological conditions, land use and available institutional structures. …”
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Hur kan Östersjöns salinitet påverkas av ett förändrat klimat? por Lindén, Jonathan

“…In this study, the hydrological cycle of the Baltic Sea has been modelled to investigate a potential change in salinity as an effect of climate change. …”

Management aspects of water and land resources in the Reventazon river basin - Costa Rica por Mojica, I.H.

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Agent-based spatial models applied to agriculture: a simulation tool for technology diffusion, resource use changes and policy analysis por Berger, T.

“…The model's economic and hydrologic components are tightly connected into a spatial framework. …”
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CCAFS contributions to climate services in Africa por Hansen, James

“…CCAFS work on climate services seeks to bridge the gap between National Meteorological and Hydrological Services (NMHS) and agricultural users, and engage the agricultural sector institutions. …”
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Comportamiento hidrológico en usos de la tierra, modelación de la erosión, y percepción de grupos de interés ante el proceso erosivo en la microcuenca del río Purires, Cartago, Cos... por Panduros Cometivos, Jhon Marcos

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Spatially variable hidrologic impact and biomass production tradeoffs associated with Eucaliptus ( E. Grandis) cultivation for biofuel production in Entre Ríos, Argentina por Heidari, Azad, Watkins Jr, David, Mayer, Alex, Propato, Tamara Sofia, Veron, Santiago Ramón, De Abelleyra, Diego

“…This study investigates the watershed-scale hydrological impacts of Eucalyptus (E. grandis) plantations for energy production in a humid subtropical watershed in Entre Rios province, Argentina. …”
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Enhancing National Climate Services (ENACTS) in Ethiopia: A participatory demonstration workshop for Key National and International Development Partners por CGIAR Research Program on Climate Change, Agriculture and Food Security

“…Ethiopia’s National Meteorological Agency’s (NMA) Enhancing National Climate Services (ENACTS) is a collaborative tool developed by the International Research Institute for Climate and Society (IRI), The Earth Institute at Columbia University, National Meteorological and Hydrological Services (NMHS) which is supported by the World Meteorological Organization (WMO) and international and national partners including the CGIAR Research Program on Climate Change, Agriculture and Food Security (CCAFS).…”
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Rice Intensification in a Changing Environment: Impact on Water Availability in Inland Valley Landscapes in Benin por Danvi, A., Giertz, S., Zwart, Sander J., Diekkrüger, B.

“…This study assesses the impact of climate change on hydrological processes under rice intensification in three headwater inland valley watersheds characterized by different land conditions. …”
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Flow alterations caused by hydropower projects in two Mekong tributary basins: the livelihood implications. [Abstract only]. por Hecht, J., McCartney, Matthew P., Lacombe, Guillaume, Vogel, R.

“…We then review the relevance of metrics of hydrologic alteration for assessing impacts of hydropower dams on livelihoods dependent upon the natural variability of the flow regime in monsoonal climate zones.…”
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Runoff curve numbers for steep hillslopes with natural vegetation in semi-arid tropical highlands, northern Ethiopia por Descheemaeker, Katrien K., Poesen, J., Borselli, L., Nyssen, Jan, Raes, Dirk, Haile, M., Muys, B., Deckers, J.

“…Land use type was an important explanatory factor for the variation in curve numbers, whereas hydrologic soil group was not. Curve numbers were negatively correlated with vegetation cover. …”
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Proximate composition and physical properties of steamed sour cassava starch bread por Adegunwa, M.O., Edema, M.O., Sanni, Lateef O., Maziya-Dixon, B.B.

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Ciclos biogeoquímicos en un ecosistema forestal de los Andes Occidentales de Venezuela, 3: Ciclo hidrológico y translocación de elementos químicos con el agua [suelos]. por Grimm, U, Fassbender, H.W.

“…The annual hydrological budget in the montane forest ecosystem of San Eusebio, Mdrida, Venezuela, was studied and water samples collected and analysed for chemical composition. …”
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Report on Community Fish Refuge (CFR) pond monitoring: Surface and groundwater study at Sras Ang CFR, Prey Veng province por Chantha, Oeurng, Ty, Sok, Rathboren, Chan, Hour, Hout, Penglong, Koun

“…The primary objective is to comprehensively monitor surface water and groundwater levels, along with rainfall, on a regular basis. This hydrologic monitoring initiative is conducted within the context of a case study centered on rice-fish systems, specifically community fish refuges (CFRs) in Prey Veng Province, Cambodia.…”
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Modeling Spatial Soil Water Dynamics in a Tropical Floodplain, East Africa por Gabiri, G., Burghof, S., Diekkrüger, B., Leemhuis, C., Steinbach, S., Näschen, K.

“…Satisfying statistical measures (R2 = 0.36–0.89, RMSE = 0.03–0.13) were obtained when calibrations for one plot were validated with measured soil moisture for another plot within the same hydrological zone. Results show the transferability of the calibrated Hydrus-1D model to predict soil moisture for other plots with similar hydrological conditions. …”
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