Advances in Earth Science ›› 2003, Vol. 18 ›› Issue (5): 706-712. doi: 10.11867/j.issn.1001-8166.2003.05.0706

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CAUSES AND EFFECTS OF SEA-LEVEL CHANGE

Zhong Guangfa   

  1. Laboratory of Marine Geology, Tongji University, Shanghai 200092, China
  • Received:2003-06-23 Revised:2003-07-22 Online:2003-12-20 Published:2003-10-01

Zhong Guangfa. CAUSES AND EFFECTS OF SEA-LEVEL CHANGE[J]. Advances in Earth Science, 2003, 18(5): 706-712.

Since the early 1980s, more than ten legs have been drilled on the Irish (DSDP Leg 80), New Jersey (DSDP Legs 93 and 95, ODP Legs 150, 150X, 174A, and 174AX), Bahamas (ODP 166), and Australian (ODP Legs 133, 182, and 194) margins, as well as on the northwest Pacific guyots (ODP Legs 143, 144). These drillings have provided a chronology of eustatic lowering for the past 42 million years, established a causal link between sequence boundaries on continental margins and eustatic lowerings. Better estimating of amplitudes of eustatic sea level changes has been consequently made. There are fundamental uncertainties, however, in the rates, amplitudes, and mechanisms for the eustatic change and its stratigraphic response.This paper gives a brief summary on the accomplishments, problems and the prospects of scientific ocean drilling.

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