Mg/Ca thermometry in coral-skeletons

被引:282
作者
Mitsuguchi, T
Matsumoto, E
Abe, O
Uchida, T
Isdale, PJ
机构
[1] NAGOYA INST TECHNOL,NAGOYA,AICHI 466,JAPAN
[2] AUSTRALIAN INST MARINE SCI,TOWNSVILLE,QLD 4810,AUSTRALIA
关键词
D O I
10.1126/science.274.5289.961
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
The magnesium-to-calcium (Mg/Ca) ratio of coral skeletons from Ishigaki Island, Ryukyu Islands, Japan, closely tracked sea surface temperature (SST) over an 8-year period. Measurements were made with the fast technique of inductively coupled plasma-atomic emission spectrometry. The variation of the coral Mg/Ca ratio with SST change is about four times that of the current, widely used coral strontium-to-calcium ratio. The temporal and geographic variation of the seawater Mg2+/Ca2+ ratio probably has little influence on coral Mg/Ca variation. Results indicate that the coral Mg/Ca ratio has the potential to provide fast, precise, high-resolution proxies for past tropical SSTs.
引用
收藏
页码:961 / 963
页数:3
相关论文
共 22 条
[1]   DISTRIBUTION AND NATURE OF INCORPORATION OF TRACE-ELEMENTS IN MODERN ARAGONITIC CORALS [J].
AMIEL, AJ ;
FRIEDMAN, GM ;
MILLER, DS .
SEDIMENTOLOGY, 1973, 20 (01) :47-64
[2]  
BECK JW, 1994, SCIENCE, V264, P891
[3]   SEA-SURFACE TEMPERATURE FROM CORAL SKELETAL STRONTIUM CALCIUM RATIOS [J].
BECK, JW ;
EDWARDS, RL ;
ITO, E ;
TAYLOR, FW ;
RECY, J ;
ROUGERIE, F ;
JOANNOT, P ;
HENIN, C .
SCIENCE, 1992, 257 (5070) :644-647
[4]   MAGNESIUM TO CHLORINITY RATIOS IN SEAWATER [J].
CARPENTER, JH ;
MANELLA, ME .
JOURNAL OF GEOPHYSICAL RESEARCH, 1973, 78 (18) :3621-3626
[5]   ASPECTS OF THE BIOGEOCHEMISTRY OF MAGNESIUM .1. CALCAREOUS MARINE ORGANISMS [J].
CHAVE, KE .
JOURNAL OF GEOLOGY, 1954, 62 (03) :266-283
[6]  
CROSS TS, 1983, J SEDIMENT PETROL, V53, P587
[7]   Trace and minor element ratios in Halimeda aragonite from the Great Barrier Reef [J].
Delaney, ML ;
Linn, LJ ;
Davies, PJ .
CORAL REEFS, 1996, 15 (03) :181-189
[8]   THE SR/CA-TEMPERATURE RELATIONSHIP IN CORALLINE ARAGONITE - INFLUENCE OF VARIABILITY IN (SR/CA)SEAWATER AND SKELETAL GROWTH-PARAMETERS [J].
DEVILLIERS, S ;
SHEN, GT ;
NELSON, BK .
GEOCHIMICA ET COSMOCHIMICA ACTA, 1994, 58 (01) :197-208
[9]   BIOLOGICAL-CONTROLS ON CORAL SR/CA AND DELTA-O-18 RECONSTRUCTIONS OF SEA-SURFACE TEMPERATURES [J].
DEVILLIERS, S ;
NELSON, BK ;
CHIVAS, AR .
SCIENCE, 1995, 269 (5228) :1247-1249
[10]   An ion probe study of annual cycles of Sr/Ca and other trace elements in corals [J].
Hart, SR ;
Cohen, AL .
GEOCHIMICA ET COSMOCHIMICA ACTA, 1996, 60 (16) :3075-3084