Results 41 to 50 of about 347,648 (217)

Corrigenda: Epigean and hypogean Palaemonetes sp. (Decapoda, Palaemonidae) from Edwards Aquifer: An examination of trophic structure and metabolism. Subterranean Biology 14: 79–102.

open access: yesSubterranean Biology, 2015
This study addresses the causes of the metabolic depression observed when examining the metabolism of hypogean versus epigean organisms. We examined the two current hypotheses regarding the cause of metabolic cave adaptation, a paucity of food and low ...
Renee Bishop   +2 more
doaj   +1 more source

Explainable AI reveals new hydroclimatic insights for ecosystem-centric groundwater management

open access: yesEnvironmental Research Letters, 2021
Trustworthy projections of hydrological droughts are pivotal for identifying the key hydroclimatic factors that affect future groundwater level (GWL) fluctuations in drought-prone karstic aquifers that provide water for human consumption and sustainable ...
Debaditya Chakraborty   +3 more
doaj   +1 more source

Using Venus, Earth, and Mars to Understand Exoplanet Volatile and Climate Evolution

open access: yesJournal of Geophysical Research: Planets, Volume 130, Issue 10, October 2025.
Abstract Venus, Earth, and Mars exhibit a wide range of interactions between their deep interiors, surfaces, lower and upper atmospheres, and the Sun, with commensurate variations in the nature of their atmospheres and evolution of their volatiles. By examining these worlds' characteristics and behavior, we can gain some understanding of the breadth of
Bruce M. Jakosky, Paul K. Byrne
wiley   +1 more source

Guano stable isotopic evidence of Anthropocene climate change influence on aridity and vegetation dynamics

open access: yesEcological Indicators, 2022
A 2.8 m-long core of cave bat guano was obtained from an excavated pit within Bracken Cave (Texas, USA) and analyzed for δ13C and δ15N. Radiocarbon dating of the core indicated that guano deposition occurred between 1974–1989 and 1998–2016 CE. The hiatus
Daniel M. Cleary   +5 more
doaj   +1 more source

Increased Drought Synchronicity in Indian Rivers Under Anthropogenic Warming

open access: yesAGU Advances, Volume 6, Issue 5, October 2025.
Abstract Synchronous streamflow droughts across multiple river basins can lead to large‐scale water scarcity and disruptions in food and water security. However, the drivers and changes in drought synchronicity across Indian rivers remain unexplored due to the limited length of instrumental records.
Dipesh Singh Chuphal, Vimal Mishra
wiley   +1 more source

Hydrologic Connectivity in the Edwards Aquifer between San Marcos Springs and Barton Springs during 2009 Drought Conditions

open access: yesTexas Water Journal, 2011
A study of water level data collected during the 2009 drought was conducted to determine if there is a hydrologic connection between the San Antonio segment and Barton Springs segment of the Edwards Aquifer.
Larry F. Land   +3 more
doaj  

Evidence for rapid divergence of sensory systems between Texas populations of the Mexican tetra (Astyanax mexicanus)

open access: yesFrontiers in Ecology and Evolution, 2023
Population divergence is often quantified using phenotypic variation. However, because sensory abilities are more difficult to discern, we have little information on the plasticity and rate of sensory change between different environments.
Maya S. Enriquez   +6 more
doaj   +1 more source

Microbial Communities in Sediments From Different Landform Systems, Svalbard

open access: yesJournal of Geophysical Research: Biogeosciences, Volume 130, Issue 10, October 2025.
Abstract Svalbard is host to a range of glacier types with different thermal regimes, behaviors and complex hydrological networks and landforms. Here, we hypothesize that the (H1) surge‐type glaciers will host different microbial community structures, and that (H2) different landform types will also host different microbial community structures.
Rebecca McCerery   +6 more
wiley   +1 more source

Numerical groundwater models for Edwards Aquifer systems

open access: yesThe Edwards Aquifer: The Past, Present, and Future of a Vital Water Resource, 2019
Numerical models have been an integral component in management of the Edwards Aquifer for over four decades. The scale and complexity of the models have varied considerably during this time, with the changes attributed to improvements in both numerical ...
R. Green, J. Winterle, B. Fratesi
semanticscholar   +1 more source

Tracing Nitrate Contamination Sources and Transformations in a Rural−Urban Karst Groundwater System in North China Using Multiple Isotopes and Simmr Modeling

open access: yesWater Resources Research, Volume 61, Issue 10, October 2025.
Abstract In temperate karst aquifers under intensive anthropogenic impacts and high heterogeneity, groundwater contamination tracking has predominantly focused on nitrate, but inadequate evidence for co‐occurring ammonium sources undermines accurate nitrogen pollution assessments.
Jie Zhang   +7 more
wiley   +1 more source

Home - About - Disclaimer - Privacy