|Table of Contents|

Tidal Flat Erosion-deposition Observation Methods and Research of Real-time Observation System(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2009年第04期
Page:
437-441
Research Field:
地球信息科学
Publishing date:

Info

Title:
Tidal Flat Erosion-deposition Observation Methods and Research of Real-time Observation System
Author(s):
ZHAO Min
(School of Resources and Environment Science, East China Normal University, Shanghai 200062, China)
Keywords:
tidal flat;  erosion and deposition;  real-times;  observation system
PACS:
P731.23
DOI:
-
Abstract:
The methods to monitor the erosion-deposition of tidal flat are analyzed,and they can be classified into two groups, one is those on bed level change on a particular site and/or a profile, and the other is those on an area change.For the former, it includes marked poles, sedimentation erosion table(SET)and rod SET(RSET), sedimentation plates, artificial tracer sand, photo-electronic erosion pins(PEEP)and PEEP-3T, autonomous bed elevation monitor(ALTUS)and acoustic doppler velocimeter(ADV); For the latter, 3S technology in combination with relief maps or charts is commonly used.Based on the principle and practice of existing ocean and coastal real-time observation system, this paper provides a design plan for real-time tidal falts erosion-deposition observation system.The data collection subsystem is designed to collect the information of tidal flat bed level change, landscape image, reflectance spectroscopy as well as meteorological and hydrodynamic data.The data are transmitted into the laboratory by internet.The system can realize the synchronous acquisition of information related to geomorphic change and its driving factors in a real-time way.

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Last Update: 2009-12-20