In the sedimentary history, algae started to grow earlier in site L2 than in site L1, but the sediment in site L1 could fix more nutrients.

在沉积历史上l2点附近低等藻类相对发育早，但l1点沉积物相对能够固定更多的营养盐。

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The site elevation was created by raising it with reclaimed fill, which overlies sedimentary deposits common to the north coastline of Hangzhou Bay.

现场经过回填标高提升，地基土质为杭州湾北海岸常见的沉积层。

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