Results 131 to 140 of about 9,435 (305)

Visualizing Changes in Global Glacier Surface Mass Balances before and after 1990

Atmosphere
Recent satellite measurements of glacier mass balances show mountain glaciers all over the world had generally negative mass balances in the first decades of the 21st century.
Roger J. Braithwaite, Philip D. Hughes
doaj   +1 more source

Assessing glacier retreat and landform production at the ‘debris-charged’ snout of Kvíárjökull, Iceland [PDF]

, 2010
Iceland is a critical location for the study of glacier fluctuations and landform production in response to climate change due to its diverse glacial legacy and its archive of aerial photographs that provide accurately dated records of glacier retreat ...
BENNETT, GEORGINA,LUCY
core  

Low sea level rise projections from mountain glaciers and icecaps under global warming

, 2006
The mean sea level has been projected to rise in the 21st century as a result of global warming1. Such projections of sea level change depend on estimated future greenhouse emissions and on differing models, but model-average results from a mid-range ...
Braithwaite, Roger J., Sarah C. B. Raper, Roger J. Braithwaite, Braithwaite, R. J., Raper, S. C B, Braithwaite, Roger J.; id_orcid, Raper, S. C. B., Raper, Sarah C. B.   +7 more
core   +1 more source

Waves of range dynamics and gene flow characterize the biogeographic history of Litsea elongata, a dominant tree in East Asian evergreen broadleaved forests

PLANTS, PEOPLE, PLANET, EarlyView.
Evergreen broadleaved forests (EBLFs) represent an iconic vegetation type in subtropical montane East Asia, but they are experiencing intensifying anthropogenic pressure and increasing habitat fragmentation. Here, using a dominant and widespread tree species characteristic of East Asian EBLFs, we examine its phylogeographic history and evaluate what it
Sheng‐Yuan Qin, Richard H. Ree, Zheng‐Yu Zuo, Chih‐Chieh Yu, Shuang‐Xiu Xu, Jun Rong, Peng‐Fei Ma, De‐Zhu Li   +7 more
wiley   +1 more source

From Flybys to Sample Return: A Review of Space Probes and Robotic Sampling Technologies for Small Bodies

Journal of Field Robotics, EarlyView.
ABSTRACT As a crucial puzzle piece of deep space exploration, exploring small bodies can provide significant scientific insights and valuable mineral resources. Unlike missions to the Moon and Mars, small‐body missions pose distinct technical challenges, including communication delays, weak gravity, and uncertain environments. This paper reviews a full
Xin Zhang, Hao Zhou, Dalin Zhou, Zhaojie Ju   +3 more
wiley   +1 more source

Including debris cover effects in a distributed model of glacier ablation

, 2012
Distributed glacier melt models generally assume that the glacier surface consists of bare exposed ice and snow. In reality, many glaciers are wholly or partially covered in layers of debris that tend to suppress ablation rates.
Reid, Tim, Carenzo, Marco, Brock, Benjamin, Pellicciotti, Francesca   +3 more
core   +1 more source

Geomorphic Effects and Habitat Impacts of Large Wood at Restoration Sites in New England

River Research and Applications, EarlyView.
ABSTRACT Large wood (used interchangeably with the term “instream wood”), which refers to trees, logs and other wood within a channel, is beneficial to river ecosystems and is being used more frequently as a component of river restoration projects. We identified metrics to evaluate the effectiveness of large wood to promote ecological and geomorphic ...
Audrey J. Turcotte, Noah P. Snyder, Mathias J. Collins   +2 more
wiley   +1 more source

Annual and Seasonal Variations in Glacier Velocity, and Surging Glaciers in the West Kunlun Mountain

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Monitoring glacier velocity is crucial for revealing glacier dynamics and clarifying the responses of glaciers to climate change. The West Kunlun mountain (WKM) is at the center of the Karakoram Anomaly; however, insufficient systematic studies have been conducted to determine glacier velocities in this region.
Zhao Zhang, Ninglian Wang, Yuwei Wu 0004, Sugang Zhou, Gexia Qin   +4 more
openaire   +2 more sources

The Devensian Lateglacial and early Flandrian stratigraphy of Southern Snowdonia, North Wales.

, 1994
PhDThe Devensian Lateglacial and early Flandrian stratigraphy of southern Snowdonia, North Wales has been examined using pollen analytical, radiocarbon dating and geomorphological mapping techniques.
Lowe, Stephen
core  

Forensic Hydraulic Analysis of Floodplain Connectivity Driven by Historical Beaver Dams in Colorado Headwater Streams

River Research and Applications, EarlyView.
ABSTRACT As ecosystem engineers, beavers (Castor canadensis) modify river corridor form through dam building. When beavers are removed from a river corridor, their unmaintained dams wash out, altering the stream's hydrologic regime. The assumption that beaver dams increase floodplain connectivity is frequently presumed but has not been directly ...
Kayla Schultz, Ryan R. Morrison, Sara Rathburn, Connor Mertz, Nicholas Christensen   +4 more
wiley   +1 more source