Helan Mountain is an important natural geographic demarcation line in China and an important ecological security barrier in Northwest China, guarding the ecological security of Northwest and North ...

Severe seepage presents a significant challenge to the sustainable management of water resources, and a lack of seepage data from the upper, middle, and lower reaches of the Hotan River hinders ...

According to Wilshire et al. (1994) the potential for shallow lateral flow of water downslope into the waste trenches and from the trenches was not addressed in any of the site evaluation documents.

Map showing water percolation rates on Mars billions of years ago according to research from UT Jackson School of Geosciences. Surface water sinking through the Martian soil took between 50 years ...