Results 41 to 50 of about 18,731 (194)

Occurence of Characidium xavante (Characiformes: Crenuchidae) in the Tapajós River basin and comments about the conservation status of the species

open access: yesAnais da Academia Brasileira de Ciências, 2021
Characidium xavante was described from two tributaries of the Culuene River drainage, in the upper Xingu River basin. New samplings recorded the species for streams from the Kaaiapó River drainage (Teles Pires River drainage, upper Tapajós River basin ...
WEFERSON J. DA GRAÇA   +4 more
doaj   +1 more source

Cyclostomes and fishes of the drainage basin of the river Płociczna [PDF]

open access: yesActa Ichthyologica et Piscatoria, 1997
Studies on the occurrence of cyclostomes and fishes of the drainage area of the river Płociczna were carried out in 1996. The following parameters were defined: constancy of occurrence (C), domination index (D), and fractions of the biomass (W) represented by individual species.
Chełkowski,Z.   +2 more
openaire   +4 more sources

Analysis of geo-morphometric and topo-hydrological indices using COP-DEM: a case study of Betwa River Basin, Central India

open access: yesGeology, Ecology, and Landscapes
The open source 30 m Copernicus DEM (COP-DEM)   has been used to derive the geo-morphometric and topo-hydrological characteristics of Betwa River Basin.
Vikram Gaurav Singh, Sudhir Kumar Singh
doaj   +1 more source

Striking a Balance between Conservation and Development: A Geospatial Approach to Watershed Prioritisation in the Himalayan Basin

open access: yesConservation, 2023
This study was undertaken in the Himalayan basin, in the river Lohawati, Uttarakhand, to study its hydro-morphological characteristics and prioritise the watersheds using geospatial tools.
Parvaiz Ahmad Ganie   +5 more
doaj   +1 more source

Hydrological variability in the Amazon drainage basin and African tropical basins

open access: yesHydrological Processes, 2009
AbstractLong‐term monthly mean rainfall and water discharge data from about 50 rain gauge stations and approximately the same number of hydrometric stations in the Amazon drainage basin were systematically analysed. The longest records approached 100 years in length.
Molinier, Michel   +5 more
openaire   +4 more sources

The usefulness of alos-palsar dem data for drainage extraction in semi-arid environments in The Iishana sub-basin

open access: yesJournal of Hydrology: Regional Studies, 2019
Study region: The study area is the Iishana sub-basin located in north-central Namibia. The basin is characterised by low-lying interconnected ephemeral drainage networks locally known as Iishana.
Johanna Ngula Niipele, Jianping Chen
doaj  

Explorations into the formal structure of drainage basins [PDF]

open access: yesEarth Surface Processes and Landforms, 1994
AbstractEvery basin of higher than first order is drained by a channel network composed of two subnetworks. Their basins are separated by a drainage divide line, called the basin divider, which is the primary organizing feature of the main basin. Each basin of magnitude n contains n – 1 subnetworks of higher order, and is therefore organized by a set ...
openaire   +4 more sources

Quantitative analysis of the drainage and morphometric characteristics of the Palar River basin, Southern Peninsular India; using bAd calculator (bearing azimuth and drainage) and GIS

open access: yesGeology, Ecology, and Landscapes, 2019
The Palar River basin is one of the major rivers in southern peninsular India. Morphometric analysis coupled with drainage network analysis was carried out for the Palar River basin to understand its drainage characteristics and the drainage network ...
Resmi MR, Babeesh C, Hema Achyuthan
doaj   +1 more source

Morphometric analysis of Vaitarna and Ulhas river basins, Maharashtra, India: using geospatial techniques

open access: yesApplied Water Science, 2018
Drainage network quantification with respect to the climate, tectonics, lithology and geomorphology provides significant evidence of the drainage development, hydro-geomorphic and denudation characteristics of an area.
Sumit Das, Sudhakar D. Pardeshi
doaj   +1 more source

Morphometric analysis of river subwatersheds using geographic information system and principal component analysis, northeast of Algeria

open access: yesRevista de Geomorfologie, 2017
In the present paper an attempt is made to study the morphometric characteristics of five watersheds which are part of Seybouse and Coastal basin of Constantine located in northeast of Algeria.
Kamel KHANCHOUL, Bachir SAAIDIA
doaj   +1 more source

Home - About - Disclaimer - Privacy