Results 51 to 60 of about 1,345,792 (309)

The water footprint of agricultural products in European river basins

open access: yesEnvironmental Research Letters, 2014
This work quantifies the agricultural water footprint (WF) of production (WF _prod, agr ) and consumption (WF _cons, agr ) and the resulting net virtual water import (netVW _i, agr ) of 365 European river basins for a reference period (REF, 1996–2005 ...
D Vanham, G Bidoglio
doaj   +1 more source

Improving flash flood risk assessment using a simple approach for extreme rainfall scaling and storms transposition

open access: yesJournal of Flood Risk Management, 2022
Flash flood risk management is among the key topics of the European Flood Directive. Design hydrographs of small river basins could underestimate the hydraulic risk in case of intense and short‐duration events because of the intensification of hourly ...
Marco Lompi   +3 more
doaj   +1 more source

Lateral sediment sources and knickzones as controls on spatio-temporal variations of sediment transport in an Alpine river [PDF]

open access: yes, 2013
Modern mixed alluvial-bedrock channels in mountainous areas provide natural laboratories for understanding the time scales at which coarse-grained material has been entrained and transported from their sources to the adjacent sedimentary sink, where ...
Norton, Kevin P.   +8 more
core   +2 more sources

A new species of Lonchidiidae (Hybodontiformes) from the Late Jurassic of Brazil (Aliança Formation, Jatobá Basin)

open access: yesThe Anatomical Record, EarlyView.
Abstract The Aliança Formation (Jatobá Basin) represents lacustrine deposits formed in oxygenated waters that hosted a diverse fauna, including Hybodontiform sharks. Within this group, the Family Lonchidiidae comprises 11 valid genera, with Parvodus previously reported in Brazilian deposits from the Brejo Santo Formation (Araripe Basin, Late Jurassic ...
Larissa de Souza Ribeiro   +1 more
wiley   +1 more source

Trends in moisture content for 1979—2010 in China river basins

open access: yesShui kexue jinzhan, 2013
In order to understand the current status of atmospheric moisture content and to analyze the spatial and temporal variations in the distribution of precipitable water over China,the Japan Meteorological Agency reanalysis data set is used to map ...
LIAO Aimin, LIU Jiufu, ZHOU Guoliang
doaj   +1 more source

Hepatic morphology and serum biochemical profile according to dry and rainy seasons in Pygocentrus nattereri (Characiformes: Serrasalmidae)

open access: yesThe Anatomical Record, EarlyView.
Abstract This study investigated the physiological and morphological adaptations of the liver of the carnivorous fish Pygocentrus nattereri (piranha) in response to seasonal variations (dry and rainy seasons) in the Brazilian Pantanal. The objective was to describe how the liver, a central organ in metabolic regulation, responds to environmental ...
Maria Eduarda Corona Garcia   +9 more
wiley   +1 more source

River Basin Management and Irrigation [PDF]

open access: yes, 2021
This chapter discusses both the role of irrigation in river basin development and closure and how its share in total water use can be reduced. It first briefly outlines the importance of unchecked irrigation development in the growing share of water consumption and the closure process of the basins examined in this volume.
openaire   +3 more sources

Experimental reintroduction of woody debris on the Williams River, NSW: geomorphic and ecological responses [PDF]

open access: yes, 2004
A total of 436 logs were used to create 20 engineered log jams (ELJs) in a 1.1 km reach of the Williams River, NSW, Australia, a gravel-bed river that has been desnagged and had most of its riparian vegetation removed over the last 200 years.
Gehrke, P.C.   +11 more
core   +1 more source

Developmental morphology of claspers and clasper‐glands during maturation in Potamotrygon wallacei (Chondrichthyes: Potamotrygoninae)

open access: yesThe Anatomical Record, EarlyView.
Abstract The claspers are the copulatory organs in male elasmobranchs, responsible for directing the semen into the female cloaca (C). However, the microscopic morphology of the claspers remains poorly understood. This study describes the morphology of the claspers and clasper glands (CGs) of cururu stingray (Potamotrygon wallacei) at different ...
Matheus Samuel Cunha Braga   +4 more
wiley   +1 more source

New digital drilling process monitoring: Instrumentation, validation and calibration

open access: yesJournal of Rock Mechanics and Geotechnical Engineering
This study aims to enhance the digital drilling process monitoring (DPM) or monitoring while drilling (MWD) technique, which is a widely recognized method in geological exploration for evaluating rock mass quality.
Yanpeng Sun   +5 more
doaj   +1 more source

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