基金National High Technology Research and Development Porject (863)(2008AA093001)National Science and Technology Major Project (2008ZX05005-005-010HZ)+2 种基金the National Natural Science Foundation of China (40674063)National Key Foundation Research Development Project (973)(2007CB411706-02)&(2007CB411702)Project (MG20080203) of State Key Laboratory of Marine Geology, Tongji University