Results 51 to 60 of about 163,459 (287)

Glacial geomorphology of the Tweedsmuir Hills, Central Southern Uplands, Scotland [PDF]

, 2014
The Quaternary glacial history of the Tweedsmuir Hills, Central Southern Uplands, Scotland, has received little attention since the 1980s, with earlier studies focussing on single lines of geomorphic evidence in isolated valleys.
McDougall, Derek, Danni Pearce (537573), Rea, Brice, Rea, Brice R., Bradwell, T., Brice R. Rea (537574), Pearce, Danielle, Bradwell, Tom, Tom Bradwell (537575), Pearce, Danni, McDougall, Des, Des McDougall (537576), Rea, B.R.   +12 more
core   +1 more source

Food Security Versus Environmental Health: The Nitrogen Dilemma

Journal of Plant Nutrition and Soil Science, EarlyView.
ABSTRACT Nitrogen is an essential element for plant growth and, consequently, crop production. However, the cycling of nitrogen in the environment can have negative effects. Here, we review the historical development of scientific and public awareness of these effects and the influence this has had on political action to control them.
Henrike Mielenz, Norbert Bischoff, Klaus Butterbach‐Bahl, Uwe Häußermann, Kurt‐Christian Kersebaum, Karin Rather, Burkhard Stever‐Schoo, Reinhard Well, Claas Nendel   +8 more
wiley   +1 more source

Modelling Reveals an Ice Field on the Arid Northeastern Tibetan Plateau During Marine Isotope Stage 6

Geophysical Research Letters
The long‐standing hypothesis that an ice sheet covered the Tibetan Plateau during the Last Glacial Maximum (LGM) has been refuted. Further research has indicated that the Plateau experienced more extensive glacial expansion during Marine Isotope Stage ...
Weicheng Wang, Jie Wang, Haopeng Geng, Bo Cao, Jinkun Qiu   +4 more
doaj   +1 more source

Quaternary glacial evolution in the Central Cantabrian Mountains (Northern Spain) [PDF]

, 2013
Peer ...
González-García, M., Gómez-Lende, M., González-Trueba, J.J., Pellitero, R., Serrano, E.   +4 more
core   +1 more source

New geochronological constraints on Late Pleistocene glaciation in the southern Cadí Massif, SE Pyrenees

Journal of Quaternary Science, EarlyView.
ABSTRACT The Cadí Massif (42°17′09″ N, 1°38′11″ E; 2649 m a.s.l.) in the southeastern Pyrenees preserves clear evidence of Late Pleistocene glaciation, although previous research has focused almost exclusively on its northern slope. By contrast, the southern slope has remained largely unexplored.
M. Oliva, J. Ventura, A. Çiner, M. A. Sarıkaya, J. Bonsoms, K. M. Wilcken   +5 more
wiley   +1 more source

Processes acting to produce glacial detritus [PDF]

, 1969
The traditional view of attrition and abrasion as the major agents producing glacial debris is considered in the light of recent work by engineering geologists and geomorphologists.
Falconer, Allan
core  

A talus rock glacier in Nantlle Valley, North Wales

Journal of Quaternary Science, EarlyView.
ABSTRACT Landforms comprising mixtures of fine and coarse sediment and deposited during late glacial times are ubiquitous in the British mountains. In many cases, their interpretation has often proved contentious; as a result, the non‐generic term discrete debris accumulations (DDA) has been used to describe them and, over the last 50 years, some have ...
Stephan Harrison, Ed Anderson
wiley   +1 more source

The glacial paleolandscapes of Southern Africa: the legacy of the Late Paleozoic Ice Age [PDF]

Earth Surface Dynamics
The modern relief of Southern Africa is characterized by stepped plateaus bordered by escarpments. This morphology is thought to result from stepwise uplift and ensuing continental-scale erosion of the region as it rode over Africa's mantle superplume ...
P. Dietrich, P. Dietrich, P. Dietrich, F. Guillocheau, G. A. Douillet, N. P. Griffis, G. Baby, D. P. Le Héron, L. Barrier, M. Mathian, I. P. Montañez, C. Robin, T. Gyomlai, T. Gyomlai, C. Kettler, A. Hofmann   +15 more
doaj   +1 more source

The glacial geomorphology of the tweed valley and surrounding area, eastern British Isles. [PDF]

, 2009
This project focuses on reconstructing the glacial dynamics of the Tweed Valley and surrounding area in the Scottish Borders and northeast Northumberland from the glacial geomorphological record.
Staines, Kate E.H.
core  

New Schmidt hammer exposure‐age dating calibrations for the Last Glacial Termination in NW Scotland: Development and application to undated Torridon Group sandstone surfaces in Wester Ross

Journal of Quaternary Science, EarlyView.
ABSTRACT An understanding of the terrestrial extent, retreat dynamics and climate–glacier coupling of ice masses during the Last Glacial Termination (LGT, ~18–11 ka) is often limited by a fragmentary geomorphological record and is dependent on precise, accurate and robust dating frameworks.
Alastair M. Curry, David Small, Oliver T. Bartlett, Jonathan Newitt   +3 more
wiley   +1 more source