VERTICAL MIXING AND CORAL DEATH IN THE RED-SEA FOLLOWING THE ERUPTION OF MOUNT-PINATUBO

被引:250
作者
GENIN, A [1 ]
LAZAR, B [1 ]
BRENNER, S [1 ]
机构
[1] ISRAEL OCEANOG & LIMNOL RES,HAIFA,ISRAEL
关键词
D O I
10.1038/377507a0
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 eruption of Mount Pinatubo in the Philippines led to a cold air-temperature anomaly throughout the Middle East during the winter of 1992(1). Here me report that the vertical mixing in the Gulf of Eilat (Aqaba) that winter was unusually deep--extending to >850 m--resulting in increased supply of nutrients to surface waters, which fuelled extraordinarily large algal and phytoplankton blooms. By spring, a thick mat of filamentous algae covered broad sections of the underlying reef causing extensive coral death. Branching colonies and solitary mushroom corals were most severely affected. This sequence of events, in which a short-term atmospheric cooling leads to a remarkable ecological response, is made possible by the unusually weak water-column stratification of the Gulf of Eilat. The depth of local vertical mixing during winter is determined by the net heat loss across the sea-air interface, so that anomalously cold winters drive the deeper mixing that can lead to increased phytoplankton blooms. Records of such events in fossil reefs may provide useful indicators of past variations in regional air temperatures.
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页码:507 / 510
页数:4
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共 29 条
  • [1] BENAYAHU Y, 1977, 3RD P INT COR REEF S, P383
  • [2] GLOBAL TRACKING OF THE SO2 CLOUDS FROM THE JUNE, 1991 MOUNT-PINATUBO ERUPTIONS
    BLUTH, GJS
    DOIRON, SD
    SCHNETZLER, CC
    KRUEGER, AJ
    WALTER, LS
    [J]. GEOPHYSICAL RESEARCH LETTERS, 1992, 19 (02) : 151 - 154
  • [3] THE MIXED-LAYER THERMOCLINE CYCLE OF A PERSISTENT WARM CORE EDDY IN THE EASTERN MEDITERRANEAN
    BRENNER, S
    ROZENTRAUB, Z
    BISHOP, J
    KROM, M
    [J]. DYNAMICS OF ATMOSPHERES AND OCEANS, 1991, 15 (3-5) : 457 - 476
  • [4] STABLE ISOTOPES IN A BRANCHING CORAL MONITOR SEASONAL TEMPERATURE-VARIATION
    DUNBAR, RB
    WELLINGTON, GM
    [J]. NATURE, 1981, 293 (5832) : 453 - 455
  • [5] SOLAR RADIATIVE FORCING AT SELECTED LOCATIONS AND EVIDENCE FOR GLOBAL LOWER TROPOSPHERIC COOLING FOLLOWING THE ERUPTIONS OF EL-CHICHON AND PINATUBO
    DUTTON, EG
    CHRISTY, JR
    [J]. GEOPHYSICAL RESEARCH LETTERS, 1992, 19 (23) : 2313 - 2316
  • [6] PINATUBO ERUPTION WINTER CLIMATE EFFECTS - MODEL VERSUS OBSERVATIONS
    GRAF, HF
    KIRCHNER, I
    ROBOCK, A
    SCHULT, I
    [J]. CLIMATE DYNAMICS, 1993, 9 (02) : 81 - 93
  • [7] CORAL MORTALITY ASSOCIATED WITH DINOFLAGELLATE BLOOMS IN THE EASTERN PACIFIC (COSTA-RICA AND PANAMA)
    GUZMAN, HM
    CORTES, J
    GLYNN, PW
    RICHMOND, RH
    [J]. MARINE ECOLOGY PROGRESS SERIES, 1990, 60 (03) : 299 - 303
  • [8] Halpert M. S., 1993, EOS T AGU, V74, P433, DOI [10.1029/93EO00372, DOI 10.1029/93EO00372]
  • [9] POTENTIAL CLIMATE IMPACT OF MOUNT-PINATUBO ERUPTION
    HANSEN, J
    LACIS, A
    RUEDY, R
    SATO, M
    [J]. GEOPHYSICAL RESEARCH LETTERS, 1992, 19 (02) : 215 - 218
  • [10] EFFECTS OF TEMPERATURE ON MORTALITY AND GROWTH OF HAWAIIAN REEF CORALS
    JOKIEL, PL
    COLES, SL
    [J]. MARINE BIOLOGY, 1977, 43 (03) : 201 - 208