نتایج جستجو برای: pit lakes

تعداد نتایج: 26447  

2016
Meghan C. L. Howey Franklin B. Sullivan Jason Tallant Robert Vande Kopple Michael W. Palace

Forested settings present challenges for understanding the full extent of past human landscape modifications. Field-based archaeological reconnaissance in forests is low-efficiency and most remote sensing techniques are of limited utility, and together, this means many past sites and features in forests are unknown. Archaeologists have increasingly used light detection and ranging (lidar), a re...

Journal: :Mine Water and The Environment 2022

Abstract Pit lakes are common features of open pit mining and can present significant risks, yet also provide beneficial end use opportunities. Many processes that influence the magnitude these risks opportunities remains poorly understood, which presents a challenge to lake closure management. In this two-part manuscript, four subject matter experts from Germany, Canada, Australia, USA recomme...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2012
Rebecca C Rooney Suzanne E Bayley David W Schindler

We quantified the wholesale transformation of the boreal landscape by open-pit oil sands mining in Alberta, Canada to evaluate its effect on carbon storage and sequestration. Contrary to claims made in the media, peatland destroyed by open-pit mining will not be restored. Current plans dictate its replacement with upland forest and tailings storage lakes, amounting to the destruction of over 29...

Journal: :Journal of limnology and freshwater fisheries research 2021

The research looks at the rotifer diversity in five different coal mine generated pit lakes from Raniganj Coal Field Area (RCF), West Bengal, India. collection methodology was involved monthly sampling (n = 120) to analyze using surface hauling with standard plankton net of mesh size 55 µm and water column depths (20 cm 50 cm) for periods two years (February 2018 – January 2020). Analyzes some ...

2008
Kim N. Schneider Paul W. Sciulli

Discontinuous traits of the cranium are used in a comparison of six Archaic skeletal samples from the Great Lakes region and six northern Ohio Late Archaic (Glacial Kame) skeletal samples. The Smith-Grewal measure of divergence with the Freeman-Tukey transformation is used to establish biologic distances among the populations represented by the samples. Principal coordinates analysis is used as...

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