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Groundwater

All articles tagged with #groundwater

environment28 days ago

Australia's Groundwater Policy Still Shaped by 'Aqua Nullius' Myth

The article discusses how the myth of 'aqua nullius'—the idea that water belongs to no one—perpetuates colonial injustices in Australia's groundwater management, ignoring Indigenous knowledge and rights. It emphasizes the importance of integrating Indigenous perspectives and traditional practices into water governance to ensure sustainable and culturally respectful management of groundwater resources, especially as climate change and industrial pressures increase.

via The Conversation|
#australia#colonial-legacy#environment
environment1 year ago

Study Predicts Saltwater Intrusion in Coastal Groundwater by 2100

A NASA-led study predicts that by 2100, saltwater will infiltrate underground freshwater supplies in 77% of coastal areas worldwide due to sea level rise and reduced groundwater recharge, driven by climate change. This saltwater intrusion threatens to make coastal aquifers undrinkable, harm ecosystems, and damage infrastructure. The study highlights the need for tailored management strategies depending on whether sea level rise or reduced recharge is the dominant factor in a given area.

via NASA Jet Propulsion Laboratory|
#climate-change#environment#groundwater
environment1 year ago

Human Activity Blamed for Earth's 31.5-Inch Axis Tilt

A study published in June 2023 reveals that Earth's axis has tilted 31.5 inches over 17 years due to human activities, specifically the massive pumping and redistribution of groundwater. This movement of water contributes to sea level rise and affects the planet's rotational pole drift. The study highlights the significant impact of groundwater redistribution on Earth's tilt, which is crucial for understanding climate dynamics, although it does not affect the seasons.

via USA TODAY|
#climate-change#earths-tilt#environment
science1 year ago

Discovery of White Smokers in Dead Sea Signals Potential Sinkhole Risk

Researchers from the Helmholtz Centre for Environmental Research have discovered mineral chimneys on the Dead Sea floor, formed by the crystallization of minerals from highly saline groundwater. These chimneys, resembling deep-sea black smokers, serve as early warning indicators for sinkholes, which pose significant hazards in the region. The Dead Sea's declining water levels, due to evaporation and reduced tributary inflow, exacerbate groundwater access issues for neighboring countries. The chimneys' formation is linked to the dissolution of halite layers, providing a potential tool for predicting sinkhole locations.

via SciTechDaily|
#dead-sea#environment#geology
space-exploration1 year ago

NASA's Perseverance Rover Discovers 'Popcorn' Rocks on Mars

NASA's Perseverance rover has discovered rocks with a "popcorn-like texture" on Mars, suggesting past groundwater flow and potential clues to past life. The photos were taken using the rover's advanced Mastcam-Z camera system. Perseverance, launched in 2020, has been exploring a new area called Bright Angel, where scientists are intrigued by the unique rock formations.

via Yahoo! Voices|
#groundwater#mars#nasa