Nonannual tree rings in a climate-sensitive Prioria copaifera chronology in the Atrato River, Colombia. [PDF]
Ecol Evol, 2017 AbstractIn temperate climates, tree growth dormancy usually ensures the annual nature of tree rings, but in tropical environments, determination of annual periodicity can be more complex. The purposes of the work are as follows: (1) to generate a reliable tree‐ring width chronology for Prioria copaifera Griseb.
Herrera-Ramirez D +4 more
europepmc +9 more sources
Hydrological responses in equatorial watersheds indicated by Principal Components Analysis (PCA) – study case in Atrato River Basin (Colombia) [PDF]
RBRH, 2020 The Atrato river basin is located in the Pacific fringe of Colombia, region with one of the highest precipitation rates in the world. The main purpose of this study is to determine the dominant processes in the hydrological responses along 17 sub-basins ...
Sebastián Balbín Betancur +5 more
doaj +8 more sources
Recognizing the rights of nature in Colombia : the Atrato river case.
Jurídicas, 2020 This article studies the recognition of Río Atrato as a subject of rights through Judgment T-622-16 of the Constitutional Court, in a case without precedent in Colombian Law.
Iván Vargas Chaves +3 more
doaj +2 more sources
Revista Facultad de Ingeniería Universidad de Antioquia, 2021 The Atrato River Delta in Northwestern Colombia has experienced notable geomorphological changes in its shoreline in recent years. We analyze these changes, associated with erosion and progradation, using Landsat imagery and Google Earth Engine (GEE ...
José Daniel Vélez-Castaño +2 more
doaj +6 more sources
Contribution to a reference library of DNA barcodes of Colombian freshwater fishes [PDF]
Biodiversity Data Journal, 2022 The Barcode of Life initiative was originally motivated by the large number of species, taxonomic difficulties and the limited number of expert taxonomists.
Manuela Mejía-Estrada +3 more
doaj +4 more sources
Remote SensingThis paper presents a methodology to detect the coastal erosion and progradation effects in the ‘Atrato River’ delta, located in the Gulf of Urabá in Colombia, using SAR (Synthetic Aperture Radar) images.
Rubén Darío Vásquez-Salazar +10 more
doaj +5 more sources
Dataset of concentrations of mercury and methylmercury in fish from a tropical river impacted by gold mining in the Colombian Pacific [PDF]
Data in Brief, 2020 This data article includes information on the impact of gold mining along five zones of a tropical river in the Pacific region of Colombia. The concentrations of total mercury (THg), total length, mertimercury (MeHg) were determined in 16 species of fish.
Carlos Salazar-Camacho +4 more
doaj +2 more sources
Biomonitoring of Mercury and Lead Levels in the Blood of Children Living near a Tropical River Impacted by Artisanal and Small-Scale Gold Mining in Colombia [PDF]
Toxics(1) Background: Mercury and lead contamination resulting from various anthropogenic activities represents a global environmental problem and a considerable risk to the health of the human population.
Eurípides Palacios-Valoyes +2 more
doaj +2 more sources
Method for estimating discharge, hydraulic depth, and mean velocity in rivers through spatial interpolation of at-a-station hydraulic geometry in data- scarce regions [PDF]
MethodsXReliable discharge estimation is essential for water resource management, yet many regions lack sufficient hydrological stations. To address this limitation, we propose the Spatial Hydraulic Geometry Interpolation (SHGI) method, which estimates discharge
Eduardo Zamudio-Huertas +2 more
doaj +2 more sources
Flood hazard assessment of Atrato River in Colombia
Water Resources Management, 2006 The flood hazard caused by Atrato River in Quibdo, northwest of Colombia is assessed using statistical modeling techniques (Gumbel and GRADEX), hydraulic modeling with HEC-RAS and the Geographic Information Systems (GIS). Three flood hazard maps for return periods of 10, 20 and 50 years are generated.
Sajjad Ahmad
exaly +4 more sources