A5055620771- Hydrology and Watershed Management Studies
- Water resources management and optimization
- Water Resource Management and Quality
- Precipitation Measurement and Analysis
- Hydrology and Drought Analysis
- Coastal and Marine Management
- Climate variability and models
- Geological and Tectonic Studies in Latin America
- Irrigation Practices and Water Management
- Groundwater flow and contamination studies
- Urban Planning and Valuation
- Grouting, Rheology, and Soil Mechanics
- Radioactivity and Radon Measurements
- Strategic Planning and Analysis
- Climate change impacts on agriculture
- Fish Ecology and Management Studies
- Hydrological Forecasting Using AI
- Flood Risk Assessment and Management
- Karst Systems and Hydrogeology
- Radioactive contamination and transfer
- Land Use and Ecosystem Services
- Public Health and Environmental Issues
- Water-Energy-Food Nexus Studies
- Environmental Conservation and Management
- Atmospheric chemistry and aerosols
Universidad Nacional de Colombia
2013-2024
José Benito Vives de Andréis Marine and Coastal Research Institute
2021
Paradise Valley Community College
2001
Sierra Nevada Corporation (United States)
2001
Woodruff Scientific (United States)
2001
Colombian Geological Survey
1986
Wetlands are often vital physical and social components of a country’s natural capital, as well providers ecosystem services to local national communities. We performed network analysis prioritize Sustainable Development Goal (SDG) targets for sustainable development in iconic wetlands wetlandscapes around the world. The was based on information perceptions 45 worldwide by 49 wetland researchers Global Wetland Ecohydrological Network (GWEN). identified three 2030 Agenda high priority across...
Precipitation is one of the most important components water cycle and its accurate spatial temporal representation fundamental for hydrological modeling. In present study, we investigated impact resolution various precipitation datasets on discharge estimates. First, a new downscaling procedure was developed applied to four gridded global based (i) solely satellite observations: CMORPH PERSIANN, (ii) in situ TRMM (iii) observations reanalysis data: MSWEP. The here presented methodology...
Abstract Assessments of ecosystem service and function losses wetlandscapes (i.e., wetlands their hydrological catchments) suffer from knowledge gaps regarding impacts ongoing hydro-climatic change. This study investigates changes during 1976–2015 in 25 distributed across the world’s tropical, arid, temperate cold climate zones. Results show that were subject to precipitation (P) temperature (T) consistent with mean over land area. However, arid experienced higher T increases than respective...
Droughts are causing severe damages to tropical countries worldwide. Although water abundant, their resilience shortages during dry periods is often low. As there little knowledge about drought characteristics, reliable methodologies evaluate risk in data scarce regions needed. We combined hazard and vulnerability related assess four rural study regions, the Muriaé basin, Southeast Brazil, Tempisque-Bebedero basin Costa Rica, upper part of Magdalena Colombia Srepok, shared by Cambodia...
To support policy formulation for rehabilitation of the natural environment in Western Mancha region Spain, a planning system was developed and applied. The is based on framework decision making, includes three main components, namely, water balance model groundwater basin, an evaluation model. model, which makes use GIS remote sensing, simulates average yearly recharge aquifer relation to land changes meteorological conditions, help understand current situation; mixed integer programming,...
Accurate rainfall fields are important for several hydrological and meteorological applications. In poorly instrumented basins, the lack of rain gauges heavily affects spatial estimation, yet neither remote sensed nor climate model estimates good enough management To tackle this problem, we investigate impacts combining both sources information by varying kernel bandwidth value double smoothing merging algorithm analyzing error fields. We explored correlation between gauge density compared...
Accurate estimates of precipitation are needed for many applications in hydrology as rainfall is one the most influential variables water cycle. The common sources information used to estimate fields situ rain gauges, remote sensing and outputs from climate models. However, each above- mentioned has its own limitations, which can be reduced by blending these sources, a product that takes advantage strengths dataset. In this research we study double smoothing merging algorithm, creating...
ABSTRACT A methodological proposal for estimating environmental flows in large projects approved by Agencia Nacional de Licencias Ambientales (ANLA) Colombian rivers was developed. The project is the result of an agreement between MADS and Universidad Colombia, Bogota (UNC). proposed method begins with evaluation hydrological criteria,continues a hydraulic water quality validation, follows determination habitat integrity. This iterative process that compares conditions before after...
The consequent change in land cover from vegetation to water surface after inundation is the most obvious impact attributed impoundment of reservoirs and dam construction. However, river regulation also alters magnitude variability energy fluxes local climatic parameters. Studies Mediterranean, temperate boreal hydrological basins, even a global-scale study, have found simultaneous decrease variation runoff increase mean evaporative ratio impoundment. aim here study existence these effects...
The authors wish to make the following correction this paper [...]
This article explores the potentialities of IMERG V06B FINAL product for estimating Intensity-Duration-Frequency curves in Colombia, using in-situ data available 110 rain gauges. From observed 76 these stations, we validated satellite precipitation period 2001-2019, at daily, monthly, and annual resolutions. For 60 better results were obtained monthly time aggregation, followed by yearly daily scales, suggesting that seasonality is main rainfall characteristic captured product. Concerning...
Abstract. The area to be cropped in irrigation districts needs planned according the available water resources avoid agricultural production loss. However, period of record local hydro-meteorological data may short, leading an incomplete understanding climate variability and consequent uncertainty estimating surface availability for planning. In this study we assess benefit using global precipitation datasets improve estimates. A reference that can irrigated is established a complete 30...
Green roofs are considered urban ecosystems that provide stormwater management, reduce local air temperature through evapotranspiration, and enhance the aesthetic qualities of buildings. roof growing mediums must have a good water retention capacity, low organic content, suitable particle size distribution. Flow attenuation within green soil can be understood by employing mechanistic approach based on Richards' unsaturated flow model coupled with Van Genuchten-Mualem hydraulic functions....
Droughts are a natural phenomenon of water deficit and represent one the most dangerous hazards to human activities; accordingly, its understanding monitoring vital. For doing this, long historical series precipitation evapotranspiration considered; however, sources this observed information on land usually limited spatially temporally. Consequently, use complementary information, such as reanalysis, is appropriate in areas with scarce information. Thus, we have evaluated reanalysis...
Abstract. The area to be cropped in irrigation districts needs planned according the available water resources avoid agricultural production loss. However, period of record local hydro-meteorological data may short, leading an incomplete understanding climate variability and consequent uncertainty estimating surface availability for planning. In this study we assess benefit using global precipitation datasets improve estimates. A reference that can irrigated is established a complete thirty...