Dirtmap: the geological record of dust
WebAtmospheric dust is an important feedback in the climate system, potentially affecting the radiative balance and chemical composition of the atmosphere and providing nutrients to terrestrial and marine ecosystems. Yet the potential impact of dust on the climate system, both in the anthropogenically disturbed future and the naturally varying past, remains to … WebThe geologic record of dust provides the opportunity to test earth system models designed to simulate dust. Records of dust can be obtained from ice cores, marine sediments, and terrestrial (loess) deposits. ... (DIRTMAP) data base has been established to provide a global palaeoenvironmental data set that can be used to validate earth system ...
Dirtmap: the geological record of dust
Did you know?
WebJan 27, 2024 · The dust record is expressed as kaolinite/chlorite ratio, and the dust index (framed numbers) of the dust pulses D1 to D6 is calculated from the kaolinite/chlorite peak areas. ... DIRTMAP: The geological record of dust. Earth-Science Reviews 2001; 54: 81–114. View Article Google Scholar 40. Washington R, Todd MC, Lizcano G, Tegen I, … WebRecords of dust can be obtained from ice cores, marine sediments, and terrestrial (loess) deposits. Although rarely unequivocal, these records document a variety of processes (source, transport and deposition) in the dust cycle, stored in each archive as changes in clay mineralogy, isotopes, grain size, and concentration of terrigenous materials.
WebSep 18, 2024 · We present the first long-term (14-year) record of dust flux in the Pampas, southern South America, home to the largest loess deposit in the Southern Hemisphere. Measured 14-year mean deposition (40 g m −2 year −1) and horizontal (362 g m −2 year −1) fluxes imply that current models underestimate the power of the central Pampas as a … WebAutor: Kohfeld, Karen E. et al.; Genre: Zeitschriftenartikel; Im Druck veröffentlicht: 2001; Keywords: Dust Palaeoclimate Quaternary Accumulation rates Greenland ice core Last …
WebJournal of Geophysical Research: Atmospheres Volume 118, Issue 5p. 2149-2160 Regular Article Free Access A 2000-year dust storm record from Lake Sugan in the dust source area of arid China Fahu Chen, Corresponding Author Fahu Chen WebJun 1, 2001 · The Dust Indicators and Records of Terrestrial and MArine Palaeoenvironments (DIRTMAP) data base has been established to provide a global … The winds over the Bay bear distinctive dust burdens based upon their directions. … A new deep core drilling operation started in 1990 central Greenland and in 1992 … The Baoji red clay record is about 30 m thick with a basal age of about 4.3 Ma, … The source area of continental dust deposited at both Vostok and Dome C … The loess deposits in central China record world-wide climate changes of the last … Saharan dust transported in the equatorial trade winds belt, and North American … New Nd–Sr isotopic data on the <30. μm lithic particles of surface and Last … A 38-m well section near Lanzhou at the semiarid western margin of the Loess … This technique is useful for constraining aeolian transport and atmospheric … Late Pleistocene and Holocene aeolian dust deposition in North China and the …
Web石正国，刘晓东，沙莹莹 （1.中国科学院地球环境研究所 黄土与第四纪地质国家重点实验室，西安 710061； 2.中国科学院青藏高原地球科学卓越创新中心，北京 100101；
WebFeb 23, 2010 · She invented the Dust Indicators and Records of Terrestrial and Marine Palaeoenvironments (DIRTMAP) database which has been used over the past decade by several modeling groups to test... prrd of gsisWebSep 14, 2016 · The geologic record of dust provides the opportunity to test earth system models designed to simulate dust..Records of dust can be obtained from ice cores, marine sediments, and terrestrial loess deposits. Although rarely .unequivocal, these records document a variety of processes source, transport and deposition in the dust cycle, … prrd meansWebJun 1, 2001 · The Dust Indicators and Records of Terrestrial and MArine Palaeoenvironments (DIRTMAP) data base has been established to provide a global … restrict search resultsWebMar 16, 2013 · However, dust storm evolution and dust emission processes in the past remain unclear due to the scarcity of geologic archives in this region. Hydrologically … restrict searchWebJul 1, 1999 · The Dust Indicators and Records of Terrestrial and MArine Palaeoenvironments (DIRTMAP) data base has been established to provide a global … restrict serverWebAuthor: Kohfeld, Karen E. et al.; Genre: Journal Article; Published in Print: 2001; Keywords: Dust Palaeoclimate Quaternary Accumulation rates Greenland ice core Last glacial … prrd office fort st johnWebThe geologic record of dust provides the opportunity to test earth system models designed to simulate dust. Ž.Records of dust can be obtained from ice cores, marine sediments, … prrd latest news