A simple and robust procedure for coring unconsolidated sediment in shallow water

被引：11

作者：

Adachi, Hiroshi ^{[2
]}

Yamano, Hiroya ^{[1
]}

Miyajima, Toshihiro ^{[3
]}

Nakaoka, Masahiro ^{[4
]}

机构：

[1] Natl Inst Environm Studies, Ctr Global Environm Res, Tsukuba, Ibaraki 3058506, Japan

[2] Geoact Co Ltd, Higashi Ainonai, Kitami, Hokkaido 0990878, Japan

[3] Univ Tokyo, Atmosphere & Ocean Res Inst, Chiba 2778564, Japan

[4] Hokkaido Univ, Field Sci Ctr No Biosphere, Akkeshi Marine Stn, Akkeshi, Hokkaido 0881113, Japan

来源：

JOURNAL OF OCEANOGRAPHY | 2010年 / 66卷 / 06期

基金：

日本学术振兴会;

关键词：

Coring system; sand bar; tidal flat; seagrass bed; MARINE-SEDIMENTS; PERCUSSION CORER; PISTON CORER; DEVICE; LACUSTRINE; UNDERWATER; SYSTEM;

D O I：

10.1007/s10872-010-0070-4

中图分类号：

P7 [海洋学];

学科分类号：

0707 ;

摘要：

This article describes a simple, quick, and inexpensive procedure for coring unconsolidated sediment in shallow water (< 30 m from water surface). A similar to 1 m core is retrieved by a PVC pipe that penetrates sediment in response to the percussive force of a hand-operated hammering tool or air hammer. After retrieving the first core segment, a casing is inserted to allow access to deeper sediment layers. Pulverized sediment produced during coring is removed by a water-lubrication system that is powered by an electric pump attached to a generator. Using this system and procedure, five 2-m-long cores with excellent quality were retrieved.

引用

页码：865 / 872

页数：8

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