Results 91 to 100 of about 63,804 (307)

The extension of the taxon cycle model to island plants: insights from the Canarian vascular flora

Biological Reviews, EarlyView.
ABSTRACT Taxon cycle models describe eco‐evolutionary patterns of lineage colonization, diversification, and decline across archipelagos, inferring an important role for competition amongst ecologically similar taxa in driving concurrent niche changes.
José María Fernández‐Palacios, Rüdiger Otto, Robert J. Whittaker   +2 more
wiley   +1 more source

Dynamic Characteristics of Suspended Load and Bed Load Transport in Meltwater Runoff of Qiyi Glacier

Shuitu Baochi Xuebao
[Objective] The transportation of sediment via glacial meltwater can not only reflect the glacial erosion and landform evolution, but also is one of the important sediment sources for the downstream river.
ZHAO Yi, WANG Ninglian, WU Songbai, ZHANG Quan, SHI Chenlie, ZHAO Mingjie   +5 more
doaj   +1 more source

Does Climate Risk Affect Employment Decisions? International Evidence

Business Strategy and the Environment, EarlyView.
ABSTRACT This study investigates the effect of climate risk on corporate employment decisions. Using a large sample from 41 countries, we find a positive association between climate risk and underinvestment in labor, notably manifesting as excessive employee layoffs.
Claude Francoeur, Faten Lakhal, Hamza Nizar, Zvi Singer   +3 more
wiley   +1 more source

Factors controlling the accelerated expansion of Imja Lake, Mount Everest region, Nepal

Annals of Glaciology, 2016
This study explores the link between area increase of Imja Tsho (Lake) and changes of Imja Glacier (area ~25km2) under the influence of climate change using multitemporal satellite imagery and local climate data. Between 1962 and 2013, Imja Lake expanded
Sudeep Thakuri, Franco Salerno, Tobias Bolch, Nicolas Guyennon, Gianni Tartari   +4 more
doaj   +1 more source

Potential climatic transitions with profound impact on Europe [PDF]

, 2011
We discuss potential transitions of six climatic subsystems with large-scale impact on Europe, sometimes denoted as tipping elements. These are the ice sheets on Greenland and West Antarctica, the Atlantic thermohaline circulation, Arctic sea ice, Alpine
A Born, A Ganachaud, A Ganopolski, A Hu, A Jones, A Laurian, A Levermann, A Levermann, A Levermann, A Levermann, A Schmittner, A Winguth, AA Scaife, Anders Levermann, Andrey Ganopolski, B Dickson, B Schaefli, B Zwierl, BJ Soden, BN Goswami, C Deser, C Haas, C Harris, C Schnadt, C Schoof, C Stick, C Vincent, CAPE-Last Interglaicial Project Members, CL Parkinson, D Farinotti, D Notz, D Pollard, D Stammer, DA Lashof, DA Rothrock, DB Kirk-Davidoff, DG Vaughan, Dirk Notz, DK Perovich, DM Holland, DM Lawrence, DT Shindell, DWJ Thompson, E Kriegler, E Meur Le, E Rignot, E Rignot, E Rignot, EJ Rignot, F Paul, F Paul, G Cogley, G Jouvet, G Kaser, G Manney, G Manney, G Manney, GA Meehl, GJ Oldenborgh van, H Goosse, H Hátún, HD Pritchard, HJ Schellnhuber, I Auer, I Eisenmann, I Joughin, I Joughin, I Velicogna, J Maslanik, J Noetzli, J Oerlemans, J Oerlemans, J Oerlemans, J Ridley, J Ridley, J Stroeve, J Weertman, J Yin, J Yin, J Zhang, JA Church, JC Comiso, JE Kay, JF McManus, JH Jungclaus, JL Bamber, JL Chen, JM Gregory, JM Gregory, Jonathan L. Bamber, JP Wilkinson, JR Miller, JT Overpeck, JX Mitrovica, K Eckhardt, K Zickfeld, KH Rosenlof, Kirstin Krüger, LC Sime, LH Smedsrud, M Beniston, M Dameris, M Hoelzle, M Hofmann, M Honda, M Huss, M Huss, M Huss, M Ogi, M Rex, M Rex, M Scheffer, M Stendel, M Vellinga, M Vellinga, M Wang, M Winton, M Winton, M Zemp, M Zemp, Matthias Huss, MF Meier, MM Holland, Neil R. P. Harris, NP Harris, NW Arnell, O Solomina, P Huybrechts, P Wadhams, P Wadhams, P Wadhams, Peter Wadhams, PM Forster, PU Clark, R Hock, R Lindsay, RE Kopp, RJ Braithwaite, RJ Stouffer, Ronald W. Lindsay, RP Scherer, S Amstrup, S Gruber, S Rahmstorf, S Rahmstorf, S Rahmstorf, S Rahmstorf, S Rahmstorf, S Solomon, S Solomon, S Tegtmeier, S Tietsche, SJ Evans, SJ Oltmans, SL Weber, SL Weber, SS Drijfhout, Susanne Weber, Sybren Drijfhout, T Hattermann, T Kuhlbrodt, T Naish, T Toniazzo, Timothy M. Lenton, TM Lenton, V Petoukhov, VM Kattsov, W Haeberli, W Haeberli, W Weijer, Winfried Haeberli, WJ Randel, WT Pfeffer, Y Wang, ZW Kundzewicz   +174 more
core   +1 more source

Some Comments on Glacier Flow [PDF]

Journal of Glaciology, 1950
AbstractDrs. Orowan and Perutz have shown that glacier ice does not behave as a viscous fluid but is plastic like all crystalline materials. The present author discusses two observed types of ice flow:—(1) the normal, regular streaming flow in slow-moving glaciers; (2) Block-Schollen movement in swiftly flowing ice.
openaire   +1 more source

Photocatalytic Vanadium‐Mediated Amination of Benzene With Hydroxylamine

Chemistry – A European Journal, EarlyView.
Photochemical activation of N‐phenylphenothiazine (PPT) enables a selective direct benzene amination with hydroxylamine in the presence of various vanadium catalysts under mild reaction conditions. Spectroscopic and kinetic analyses identify a key vanadium(IV)‐hydroxylamine intermediate, elucidate the crucial roles of the acidic medium, the ...
Dana Králová, Maximilian Philipp, Matthias Schmalzbauer, Thilo Reiter, Bernd Schäfer, Ruth M. Gschwind, Burkhard König   +6 more
wiley   +1 more source

Glacierized headwater streams as aquifer recharge corridors, subarctic Alaska

Geophysical Research Letters, 2017
Arctic river discharge has increased in recent decades although sources and mechanisms remain debated. Abundant literature documents permafrost thaw and mountain glacier shrinkage over the past decades. Here we link glacier runoff to aquifer recharge via
A. K. Liljedahl, A. Gädeke, S. O'Neel, T. A. Gatesman, T. A. Douglas   +4 more
doaj   +1 more source

Models of ice melting and edifice growth during subglacial basaltic eruptions. [PDF]

, 2007
Models of the early stages of basaltic eruptions beneath temperate glaciers are presented that consider the evolving sizes of volcanic edifices emplaced within subglacial cavities.
Tuffen, Hugh
core   +1 more source

On the Reaction Mechanism of Nitrate Radical and DMPO in Non‐aqueous Photocatalytic Media

Chemistry – A European Journal, EarlyView.
This work identifies 2‐oxo‐5,5‐dimethyl‐1‐pyrroline 1‐oxyl (DMPOX), formed via the selective oxidation of 5,5‐dimethyl‐1‐pyrroline N‐oxide (DMPO) by nitrate radicals (NO3•) in nonaqueous media, as a distinctive EPR fingerprint of NO3•. The DFT‐supported mechanism clarifies its formation pathway and highlights DMPOX detection as a robust tool for ...
Alessandro Gottuso, Alessia Zollo, Leonardo Palmisano, Stefano Livraghi, Francesco Parrino   +4 more
wiley   +1 more source