Dust: A diagnostic of the hydrologic cycle during the last glacial maximum

被引:100
作者
Yung, YL [1 ]
Lee, T [1 ]
Wang, CH [1 ]
Shieh, YT [1 ]
机构
[1] ACAD SINICA, INST EARTH SCI, TAIPEI 115, TAIWAN
关键词
D O I
10.1126/science.271.5251.962
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Dust concentrations in ice of the last glacial maximum (LGM) are high in ice cores from Greenland and Antarctica. The magnitude of the enhancements can be explained if the strength of the hydrologic cycle during the LGM was about half of that at present. This notion is consistent with a large decrease (5 degrees C) in ocean temperature during the LGM, as recently deduced from measurements of strontium and calcium in corals.
引用
收藏
页码:962 / 963
页数:2
相关论文
共 38 条
[1]   TRANSPORT AND RESIDENCE TIMES OF TROPOSPHERIC AEROSOLS INFERRED FROM A GLOBAL 3-DIMENSIONAL SIMULATION OF PB-210 [J].
BALKANSKI, YJ ;
JACOB, DJ ;
GARDNER, GM ;
GRAUSTEIN, WC ;
TUREKIAN, KK .
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 1993, 98 (D11) :20573-20586
[2]   THE ROLE OF OCEAN-ATMOSPHERE REORGANIZATIONS IN GLACIAL CYCLES [J].
BROECKER, WS ;
DENTON, GH .
GEOCHIMICA ET COSMOCHIMICA ACTA, 1989, 53 (10) :2465-2501
[3]  
Bryant V. M., 1985, POLLEN RECORDS LATE, P39
[4]   INTERCOMPARISON AND INTERPRETATION OF CLIMATE FEEDBACK PROCESSES IN 19 ATMOSPHERIC GENERAL-CIRCULATION MODELS [J].
CESS, RD ;
POTTER, GL ;
BLANCHET, JP ;
BOER, GJ ;
DELGENIO, AD ;
DEQUE, M ;
DYMNIKOV, V ;
GALIN, V ;
GATES, WL ;
GHAN, SJ ;
KIEHL, JT ;
LACIS, AA ;
LETREUT, H ;
LI, ZX ;
LIANG, XZ ;
MCAVANEY, BJ ;
MELESHKO, VP ;
MITCHELL, JFB ;
MORCRETTE, JJ ;
RANDALL, DA ;
RIKUS, L ;
ROECKNER, E ;
ROYER, JF ;
SCHLESE, U ;
SHEININ, DA ;
SLINGO, A ;
SOKOLOV, AP ;
TAYLOR, KE ;
WASHINGTON, WM ;
WETHERALD, RT ;
YAGAI, I ;
ZHANG, MH .
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 1990, 95 (D10) :16601-16615
[5]  
CHAPPELLAZ JA, 1993, TELLUS B, V45, P228, DOI 10.1034/j.1600-0889.1993.t01-2-00002.x
[6]  
Crowley T. J., 1991, PALEOCLIMATOLOGY
[7]  
Fairbridge RW., 1961, PHYS CHEM EARTH, Vvol. 4, P99, DOI DOI 10.1016/0079-1946(61)90004-0
[8]   CARBON-BIOSPHERE-CLIMATE INTERACTIONS IN THE LAST GLACIAL MAXIMUM CLIMATE [J].
FRIEDLINGSTEIN, P ;
PRENTICE, KC ;
FUNG, IY ;
JOHN, JG ;
BRASSEUR, GP .
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 1995, 100 (D4) :7203-7221
[9]   SIMULATIONS OF DESERT DUST AND SEA-SALT AEROSOLS IN ANTARCTICA WITH A GENERAL-CIRCULATION MODEL OF THE ATMOSPHERE [J].
GENTHON, C .
TELLUS SERIES B-CHEMICAL AND PHYSICAL METEOROLOGY, 1992, 44 (04) :371-389
[10]   ANTARCTIC (DOME C) ICE-CORE DUST AT 18 KY BP - ISOTOPIC CONSTRAINTS ON ORIGINS [J].
GROUSSET, FE ;
BISCAYE, PE ;
REVEL, M ;
PETIT, JR ;
PYE, K ;
JOUSSAUME, S ;
JOUZEL, J .
EARTH AND PLANETARY SCIENCE LETTERS, 1992, 111 (01) :175-182