Results 71 to 80 of about 4,709 (174)

Orbital and eustatic control of basin hydrology during the first stage of the Messinian Salinity Crisis

open access: yesThe Depositional Record, Volume 12, Issue 1, February 2026.
The paleo‐hydrology of the Sorbas Basin (SE Spain) and the wider Mediterranean region during the deposition of the Primary Lower Gypsum (PLG) stage of the Messinian Salinity Crisis, from ~5.97 to ~5.60 Ma, was affected by tectonics, precession‐forced climate oscillations, and eustatic sea‐level change.
Fernando Gázquez   +8 more
wiley   +1 more source

Groundwater Recharge and Hydrogeochemical Evolution in Leizhou Peninsula, China

open access: yesJournal of Chemistry, 2015
An analysis of the stable isotopes and the major ions in the surface water and groundwater in the Leizhou Peninsula was performed to identify the sources and recharge mechanisms of the groundwater.
Yintao Lu   +3 more
doaj   +1 more source

Partitioning of evapotranspiration using a stable isotope technique in an arid and high temperature agricultural production system [PDF]

open access: yes, 2017
Agricultural production in the hot and arid low desert systems of southern California relies heavily on irrigation. A better understanding of how much and to what extent irrigated water is transpired by crops relative to being lost through evaporation ...
Grantz, David A.   +5 more
core   +1 more source

Stepwise Glacial Inception and Prolonged Southern Ocean CO2 Outgassing Linked With Marine Isotope Stage 11

open access: yesPaleoceanography and Paleoclimatology, Volume 41, Issue 2, February 2026.
Abstract The climatic optimum of Marine Isotope Stage (MIS) 11, MIS 11c, was a remarkably long warmer‐than‐present climate interval with prolonged elevated atmospheric CO2 levels. While the Pacific Southern Ocean has a strong leverage on atmospheric CO2 through oceanic CO2 release, past changes in carbon cycle dynamics in this region and their ...
L. Jebasinski   +8 more
wiley   +1 more source

Origin of fluids in Las Tres Vírgenes Geothermal Field [PDF]

open access: yesE3S Web of Conferences, 2019
A geochemical survey of fluids in the Las Tres Vírgenes geothermal field (LTVGF) in Baja California Sur, Mexico, was carried out to describe their origins and evolution within the reservoir. Major and minor elements and noble gas isotopes (He, Ne, Ar, Kr,
Hernández Hernández Mario A.   +9 more
doaj   +1 more source

Unexpectedly High Accumulation Rates in the 2022 Mt. Logan Ice Core Reveal Warm‐Season Drivers of Precipitation Variability

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 2, 28 January 2026.
Abstract Ice cores from Mt. Logan, the second highest peak in North America located in the St. Elias mountains in southwest Yukon, Canada, have provided conflicting accumulation records, thus the hydroclimate response to changing atmospheric conditions in the highest elevation regions is not well constrained.
Kira M. Holland   +10 more
wiley   +1 more source

Variation characteristics of stable hydrogen and oxygen isotopes in precipitation of Longtan trough valley and Maoba syncline in Youyang, Chongqing

open access: yesCarsologica Sinica
This study aims to explore the characteristics and influencing factors of δ18O and δD in precipitation in two adjacent topographic areas of Longtan trough valley and Maoba syncline in Wuling mountain, southeastern Chongqing.
Tingting SUN   +4 more
doaj   +1 more source

Holocene thermokarst and pingo development in the Kolyma Lowland (NE Siberia) [PDF]

open access: yes, 2018
Ground ice and sedimentary records of a pingo exposure reveal insights into Holocene permafrost, landscape and climate dynamics. Early to mid‐Holocene thermokarst lake deposits contain rich floral and faunal paleoassemblages, which indicate lake ...
Bobrov, Anatoly   +12 more
core   +2 more sources

Intra‐Annual Isotope Variations in Tree Rings Reveal Climate Change Impacts on Tree Growth and Water Use in the Turtmann River Basin, Switzerland

open access: yesEcohydrology, Volume 19, Issue 1, January‐February 2026.
ABSTRACT It is well established that changes in climatic conditions across Alpine environments have influenced tree‐growth at altitudes close to the tree line. Less well known is the impact that increasing proportions of glacial melt water, which may accompany increasing temperatures and otherwise drier conditions during warmer summers, have on the ...
Nazimul Islam   +4 more
wiley   +1 more source

Identification of Two Types of Metallogenic Fluids in the Ultra-Large Huize Pb–Zn Deposit, SW China

open access: yesGeofluids, 2017
This work investigates the ultra-large Huize Pb–Zn deposit, based on the results of preceding studies and detailed field geological surveys. The existing findings were reorganized and reinterpreted and supplemented with C–H–O isotopic measurements, which
Yan Zhang   +3 more
doaj   +1 more source

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