搜索结果: 1-11 共查到“知识库 理学 Environmental change”相关记录11条 . 查询时间(0.078 秒)
Paleosols in the Transantarctic Mountains: indicators of environmental change
Transantarctic Mountain Paleosols
2015/1/5
The Transantarctic Mountains (TAMs), a 3500 km long chain that subdivides East Antarctica from West Antarctica, are important for reconstructing the tectonic, glacial, and climatic history of Antarc...
Climate and Environmental Change in Arctic Canada: Observations from Upper and Lower Murray Lakes, Ellesmere Island, Nunavut
Arctic Climate Holocene Lakes
2014/10/22
This study was designed with the overriding goal of improving our understanding of the nature, causes, and impacts of past climatic conditions in the High Arctic and to evaluate the potential impacts ...
Lacustrine Records of Holocene Climate and Environmental Change from the Lofoten Islands, Norway
Holocene lake sediment Lofoten Islands Norway paleoclimate tephrochronology
2014/10/22
Lakes sediments from the Lofoten Islands, Norway, can be used to generate well resolved records of past climate and environmental change. This dissertation presents three lacustrine paleoenvironmental...
Benthic foraminifera assemblages in the Central Barents Sea:an evaluation of the effect of combining live and total fauna studies in tracking environmental change
Benthic foraminifera assemblages Central Barents Sea combining live total fauna studies
2009/12/2
We present living (stained) benthic foraminifera assemblage data in nine surface sediment samples from the central Barents Sea collected in 2005 and 2006. The abundances of 20 selected species are com...
Palaeolimnological assessment of environmental change over the last two centuries in oligotrophic Lake Nohipalu Valgjärv,southern Estonia
lake sediment diatoms 210Pb chronology reference conditions Lake Nohipalu Valgjä rv
2009/10/21
The main objectives of this study were to reconstruct the environmental conditions for a small oligotrophic lake during the last two centuries, to determine if the environment of the lake was anthropo...
Evolutionary geomorphology：thresholds and nonlinearity in landform response to environmental change
Evolutionary geomorphology environmental change
2009/5/15
Geomorphic systems are typically nonlinear, owing largely to their threshold-dominated nature (but due to other factors as well). Nonlinear geomorphic systems may exhibit complex behaviors not possibl...
Importance of long-term monitoring for detecting environmental change:lessons from a lowland river in south east England
long-term monitoring environmental change lowland river south east England
2010/1/18
Rising nitrate concentrations in rivers and groundwater in regions with intensive agriculture have been of concern for several decades. Long records of nitrate concentration are rare; in the UK, few p...
Eco-environmental Change Records of Antarctic Ice-free Areas in the Sediments Influenced by Marine Animals
Antarctica sediments influenced by animal excrements penguin seal eco-environmental variation human civilization
2008/7/8
The accumulative profiles of seabird and sea animal excrement together with the depositional sequences influenced by the excrement have been utilized to reconstruct the historical populations of Antar...
Environmental Change and Agricultural Development in Historical Documentary
Northwest China historical climate environmental change agricultural exploitation reclamation and desertion historical documentary records
2008/7/8
The paper investigates the historical agricultural exploitation in Northwest China, and its social benefits in the context of historical documents and their relationship with temperature and humidity ...
Abstract: Assessment of coastal vulnerability to future environmental change has been emphasized in coastal nations or regions. The Jiangsu coastal plain, located to the north of the Yangt...
题目：Symposium 25 Population regulation in heterogeneous landscapes: a means for predicting the consequences of environmental change：Introduction
作者：Henrik G. SMITH, William J. SUTHERLAND