العلوم والبيئة

Shared aquifers, border hotspots: Cooperation should follow where groundwater is pumped, scientists say

المصدر: Phys.org - latest science and technology news stories · نُشر

Shared aquifers, border hotspots: Cooperation should follow where groundwater is pumped, scientists say
المصدر: Phys.org - latest science and technology news stories

Groundwater depletion and groundwater-dependent irrigation tend to concentrate close to international borders within aquifers shared by two or more countries, where pumping on one side is more likely to affect users on the other, according to a publication by the United Nations U

Groundwater depletion and groundwater-dependent irrigation tend to concentrate close to international borders within aquifers shared by two or more countries, where pumping on one side is more likely to affect users on the other, according to a publication by the United Nations University Institute for Water, Environment and Health (UNU-INWEH).

اقرأ المصدر الأصلي
The regime change we need for Thames Water | Letters
الأعمال والاقتصاد

The regime change we need for Thames Water | Letters

Terry Barker says nationalisation changes who owns the shares, it does not change the rules, while James Wallace says the powers to intervene already exist. Plus a letter from Philip Clayton Andy Burnham’s instruction to officials to look at all options for Thames Water and not f

Business | The Guardian ·

Metalens microscope switches focus with voltage, not moving optics
العلوم والبيئة

Metalens microscope switches focus with voltage, not moving optics

Just as it is difficult for a camera to keep both a nearby flower and a distant mountain sharply focused at the same time, conventional optical microscopes face a similar challenge when imaging structures located at different depths inside the body. Tighter focusing of light impr

Phys.org - latest science and technology news stories ·