搜索结果: 1-14 共查到“地球科学总论 record”相关记录14条 . 查询时间(0.093 秒)
A 1,000 year high-resolution hurricane history for the Boston area based on the varved sedimentary record from the Lower Mystic Lake (Medford/Arlington, MA)
The mysterious lake medford low altitude the port of Boston stratigraphy swamp
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2014/10/22
The Lower Mystic Lake (Medford/Arlington, MA) is a 24 m deep, ectogenically meromictic, low elevation (1 m a.s.l.), coastal lake directly connected to Boston Harbor by the Mystic River. About 1,000 ye...
Paleoceanography and paleoenvironmental changes of the Cenomanian-Turonian boundary interval (94-93 Ma): The record of Oceanic Anoxic Event 2 in the central and eastern parts of the Western Interior Sea
Cretaceous Oceanic Anoxic Event 2 Cenomanian-Turonian boundary Foraminifera Paleoceanography Western Interior Sea
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2014/10/22
The Cenomanian/Turonian (C/T) boundary marine strata of the Late Cretaceous Western Interior Sea (WIS) exhibit a positive carbon isotopic excursion in the bulk-carbonate and organic carbon. This marks...
A High-Resolution Temperature Record from Lakes of the Lofoten Islands, Northwestern Norway based on a New UK37 Temperature Calibration from in situ Measurements
A High-Resolution Temperature Record Lakes of the Lofoten Islands Northwestern Norway a New UK37 Temperature Calibration
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2014/10/22
The temperature-sensitive lipids, long chain alkenones (LCAs), are considered to be a powerful paleothermometer in deciphering the variability of sea surface temperature (SST) through time. Recent stu...
Holocene Climate and Environmental Changes: Disentangling Natural and Anthropogenic Signals in the Sedimentary Record of Lake Lilandsvatnet (NW Norway),
Holocene Climate and Environmental Changes Disentangling Natural Anthropogenic Signals Sedimentary Record of Lake Lilandsvatnet
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2014/10/21
This thesis presents a multi-proxy paleoenvironmental reconstruction from the sedimentary archives of Lilandsvatnet, a small arctic lake on Vestvågøy, in the Lofoten Islands, Norway. Lofoten...
Holocene Paleo-environmental Variability Reconstructed from a Lake Sediment Record from Southeast Greenland
Holocene Paleoenvironmental Variability Reconstructed a Lake Sediment Record Southeast Greenland
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2014/10/21
Arctic climate variability over the Holocene has been both extensive and, at times, abrupt. Current understanding of these changes is still quite limited with few highresolution paleoclimate records a...
Update of the Chronology of Natural Signals in the Near-Surface Mean Global Temperature Record and the Southern Oscillation Index
Climate Variability Southern Oscillation Index ENSO
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2013/3/11
Time series for the Southern Oscillation Index and mean global near surface temperature anomalies are compared for the 1950 to 2012 period using recently released HadCRU4 data. The method avoids a foc...
A contribution to improved flood magnitude estimation in base of palaeoflood record and climatic implications–Guadiana River(Iberian Peninsula)
flood magnitude estimation palaeoflood record climatic implications
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2009/12/16
The Guadiana River has a significant record of historical floods, but the systematic data record is only 59 years. From layers left by ancient floods we know about we can add new data to the record, a...
Quantifying changes of wind speed distributions in the historical record of Atlantic tropical cyclones
Quantifying changes wind speed distributions historical record Atlantic tropical cyclones
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2009/12/8
Here we re-examine the official Atlantic basin tropical cyclone (hurricane) database HURDAT (1851–2008) and quantify differences between wind speed distributions in the early historical (1851–1943) re...
A contribution to improved flood magnitude estimation in base of palaeoflood record and climatic implications – Guadiana River (Iberian Peninsula)
flood magnitude estimation palaeoflood record climatic implications Guadiana River
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2009/12/8
The Guadiana River has a significant record of historical floods, but the systematic data record is only 59 years. From layers left by ancient floods we know about we can add new data to the record, a...
Stalled Economy or Not, Record Year for CO2 Emissions--People Still Consumed More Per Capita in 2008（图）
Stalled Economy Record Year CO2 Emissions
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2009/12/10
Each person on the planet produced 1.3 tons of carbon last year—an all-time high--despite a global recession that slowed the growth of fossil fuel emissions for the first time this decade, according t...
First record of Crassostrea cyathula Lamarck 1806 from the Rupelian-Lower Chattian of Sarıbuğday-Kovancılar(NE Palu) Eastern Taurids,E Turkey
Bivalvia Crassostrea Rupelian-Lower Chattian systematics Elazı ğ Turkey
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2010/1/11
Crassostrea cyathula (Lamarck 1806), a valuable biostratigraphic marker, was found for the first time in eastern Turkey (Eastern Mediterranean), in the Rupelian-Lower Chattian sedimentary sequences of...
Modelling an alkenone-like proxy record in the NW African upwelling
Modelling alkenone-like proxy record NW African upwelling
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2010/1/13
A regional biogeochemical model is applied to the NW African coastal upwelling between 19° N and 27° N to investigate how a water temperature proxy, alkenones, are produced at the sea surface and reco...
Anoxic sediments off Central Peru record interannual to multidecadal changes of climate and upwelling ecosystem during the last two centuries
Anoxic sediments Central Peru record climate and upwelling ecosystem the last two centuries
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2010/1/25
Observations under polarized microscope show that light laminae are dominated by more dense, detrital and terrigenous material, while dark laminae are less dense with greater concentrations of amorpho...
The geological record of storm events over the last 1000 years in the Salerno Bay (Southern Tyrrhenian Sea): new proxy evidences
storm events the last 1000 years the Salerno Bay new proxy evidences
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2010/1/22
The shallow marine Late Holocene wedge of the northern Salerno Bay shelf (Southern Tyrrhenian Sea) discloses the presence of four decimetric shelf-tapering sand beds. Their internal features, depicted...