Results 81 to 90 of about 1,121,101 (230)

Hydrological Alteration Index as an Indicator of the Calibration Complexity of Water Quantity and Quality Modeling in the Context of Global Change [PDF]

open access: yes, 2019
Modeling is a useful way to understand human and climate change impacts on the water resources of agricultural watersheds. Calibration and validation methodologies are crucial in forecasting assessments.
Bodoque, José María   +12 more
core   +6 more sources

Evidence of glass bead‐making in the early Islamic Iberian Peninsula

open access: yesArchaeometry, Volume 67, Issue 2, Page 364-379, April 2025.
Abstract Glass beads from two Islamic archaeological sites in the Tagus valley in central Spain were selected and analysed by laser ablation inductively coupled plasma mass spectrometry (LA‐ICP‐MS), and a subset of samples (n = 6) was analysed for Pb isotopes by multicollector thermal ionization mass spectrometry (MC‐TIMS).
Cristina Boschetti   +4 more
wiley   +1 more source

Multi-year high-frequency physical and environmental observations at the Guadiana Estuary [PDF]

open access: yesEarth System Science Data, 2015
High-frequency data collected continuously over a multi-year time frame are required for investigating the various agents that drive ecological and hydrodynamic processes in estuaries.
E. Garel, Ó. Ferreira
doaj   +1 more source

Characterization of the chemical composition of the Guadiana River and its influence in Las Tablas de Daimiel National Park [PDF]

open access: yes, 2014
Since autumn 2012, groundwater has become a water input to Las Tablas de Daimiel National Park through discharge to the river Guadiana.This fact reflects the "quasi-natural" situation that has been achieved so far in the park.The monitoring of the ...
Castaño Castaño, Silvino   +4 more
core  

Severe Impacts on Water Resources Projected for the Mediterranean Basin

open access: yesWIREs Water, Volume 12, Issue 2, March/April 2025.
Impact of climate change on water resources in the Mediterranean Basin, showing increasing (upwards arrow), decreasing (downwards arrow), and inconclusive projections (up down arrow). ABSTRACT Water resources are becoming increasingly scarce in the Mediterranean Basin due to climate change.
J. P. C. Eekhout   +3 more
wiley   +1 more source

Frictional interactions between tidal constituents in tide-dominated estuaries [PDF]

open access: yesOcean Science, 2018
When different tidal constituents propagate along an estuary, they interact because of the presence of nonlinear terms in the hydrodynamic equations. In particular, due to the quadratic velocity in the friction term, the effective friction experienced
H. Cai   +4 more
doaj   +1 more source

High diversity of Phytophthora species in natural ecosystems and nurseries of Portugal: Detrimental side effect of plant introductions from the age of discovery to modern globalization

open access: yesPlant Pathology, Volume 74, Issue 2, Page 330-362, February 2025.
High diversity of known and new, mostly exotic Phytophthora species in forests, nurseries and streams across Portugal and numerous associated forest tree declines are a consequence of long‐term plant introductions and outplantings. Abstract Between 2010 and 2015, an extensive survey of Phytophthora diversity was performed across Portugal.
Marília Horta Jung   +11 more
wiley   +1 more source

Trace metal concentrations in sediments from the southwest of the Iberian Peninsula

open access: yesScientia Marina, 2010
Metal sediment concentrations (As, Cd, Cu, Hg, Ni, Pb and Zn) in surface sediments (0 to 5 cm) from 11 sampling stations in the southwest of the Iberian Peninsula (the Ria Formosa and the Guadiana River, the Ría de Huelva and the Bay of Cadiz) were ...
Julián Blasco   +9 more
doaj   +1 more source

LiDAR Applications in Archaeology: A Systematic Review

open access: yesArchaeological Prospection, Volume 32, Issue 1, Page 81-101, January/March 2025.
ABSTRACT In the last two decades, the analysis of data derived from LiDAR (light detection and ranging) technology has dramatically changed the investigation and documentation of past cultural landscapes, sometimes revealing monumental architectures and settlement systems totally unknown before.
Giacomo Vinci   +3 more
wiley   +1 more source

Dissolved Organic Matter in the Gulf of Cadiz: Distribution and Drivers of Chromophoric and Fluorescent Properties [PDF]

open access: yes, 2020
The Gulf of Cadiz (GoC) connects the Mediterranean Sea with the Atlantic Ocean through the Strait of Gibraltar. Particular hydrographic processes take place in the GoC, such as riverine discharges and surface circulation marked by wind-induced seasonal ...
Amaral, Valentina   +2 more
core   +1 more source

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