Results 1 to 10 of about 57,335 (165)

ASPECTOS HIDROGEOLÓGICOS DE RELEVANCIA DE LA LLANURA PAMPEANA EN EL CENTRO DE LA PROVINCIA DE BUENOS AIRES, ARGENTINA [PDF]

open access: yesRevista Águas Subterrâneas, 2000
En varias regiones del mundo existen paisajes de escaso relieve superficial, que poseen características hidrológicas poco convencionales. Aunque existe una estricta dependencia del clima, las llanuras que se desarrollan bajo condiciones semi-húmedas son ...
Eduardo Usunoff   +3 more
doaj   +2 more sources

Composición isotópica de la precipitación en el Valle de Querétaro, México

open access: yesTecnología y ciencias del agua, 2023
El uso de los isótopos estables del agua para determinar la relación entre la precipitación y la recarga/descarga del agua subterránea ha sido limitado en México. Una de las principales limitaciones es la falta de monitoreo de los isótopos estables de la
Luis González-Hita   +4 more
doaj   +1 more source

Volcano observatories and monitoring activities in Guatemala

open access: yesVolcanica, 2021
The tectonic and volcanic environment in Guatemala is large and complex. Three major tectonic plates constantly interacting with each other, and a volcanic arc that extends from east to west in the southern part of the country, demand special attention ...
Amilcar Roca   +6 more
doaj   +1 more source

Oceanic currents maintain the genetic structure of non-marine coastal taxa in the western Mediterranean Sea

open access: yesnpj Biodiversity, 2023
Coastal habitats are amongst the most dynamic on Earth, due to their simultaneous exposure to terrestrial, oceanic and atmospheric processes. Coastal taxa are therefore often ecologically specialised and adapted to withstand frequent shifts in sea level,
Adrián Villastrigo   +6 more
doaj   +1 more source

Development of an empirical model for chlorophyll-a and Secchi Disk Depth estimation for a Pampean shallow lake (Argentina) [PDF]

open access: yes, 2017
Shallow Pampean lakes are located in the most productive plain of Argentina. They are highly variable in salinity, turbidity and surface area. Laguna Chascomús has been monitored as a representative example of them.
Bohn, Vanesa Yael   +5 more
core   +1 more source

Una defectuosa hidrología.

open access: yesRevista Uruguaya de Antropología y Etnografía, 2022
Este trabajo revisita una experiencia histórica de conflicto ambiental en Uruguay. La cuenca de la Laguna Merín situada en la región este del Uruguay y sur de Brasil es conocida actualmente por ser uno de los territorios especializados en la producción ...
Maria Noel González Márquez
doaj   +1 more source

Using the soil and water assessment tool to simulate the pesticide dynamics in the data scarce Guayas River Basin, Ecuador [PDF]

open access: yes, 2020
Agricultural intensification has stimulated the economy in the Guayas River basin in Ecuador, but also affected several ecosystems. The increased use of pesticides poses a serious threat to the freshwater ecosystem, which urgently calls for an improved ...
Arias-Hidalgo, Mijail   +8 more
core   +1 more source

A review of methods to assess connectivity and dispersal between fish populations in the Mediterranean Sea

open access: yesAdvances in Oceanography and Limnology, 2013
Fish populations are linked to each other via dispersal of individuals as eggs, larvae, juveniles or adults. The understanding of this process, known as connectivity, has a pivotal role for the management of overexploited fish stocks and the development ...
Antonio Calò   +6 more
doaj   +1 more source

A methodology for the characterization of land use using medium-resolution spatial images [PDF]

open access: yes, 2018
Introducción: La caracterización de los usos del suelo representa uno de los insumos indispensables para el manejo de los recursos naturales a diferentes escalas.
Gandini, Marcelo Luciano   +4 more
core   +1 more source

ENSO impact on hydrology in Peru [PDF]

open access: yesAdvances in Geosciences, 2013
The El Niño and La Niña impacts on the hydrology of Peru were assessed based on discharge data (1968–2006) of 20 river catchments distributed over three drainage regions in Peru: 14 in the Pacific Coast (PC), 3 in the Lake Titicaca (TL) region, and 3 in ...
W. S. Lavado-Casimiro   +3 more
doaj   +1 more source

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