桃園海岸海漂垃圾現場調查分析之研究;Field survey and analysis of marine debris along Taoyuan coast

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题名:	桃園海岸海漂垃圾現場調查分析之研究;Field survey and analysis of marine debris along Taoyuan coast
作者:	林冠宏;Lin, Guan-Hong
贡献者:	水文與海洋科學研究所
关键词:	桃園海岸;海漂垃圾;沙岸;礫石灘;地貌;季風;海流;Taoyuan coast;Marine debris;Sandy beaches;Gravel beaches;Landform;Monsoon;Ocean current
日期:	2020-02-26
上传时间:	2020-06-05 17:05:51 (UTC+8)
出版者:	國立中央大學
摘要:	本研究旨在於現地實際調查海漂垃圾的分佈情形、種類及製造地。桃園海岸線擁有藻礁、石滬以及沙丘等特殊的海岸景觀，但卻受到海岸垃圾的影響。本研究依據河口、海岸突堤等特性，利用GIS工具將桃園海岸線劃分為30個分區，並在高潮線規劃一個半徑20公尺的採樣框。現場執行調查的時間為2019年3到10月，並根據ICC的建議，將垃圾分為五大類:寶特瓶、一般生活垃圾、漁具垃圾、菸具以及醫療衛生用品等，其中四月份以後加入大型垃圾統計。本研究發現:(1)桃園海岸線北邊(大園、觀音區)的海漂垃圾大致多於南邊。(2)地貌會影響堆積的垃圾量；沙岸及含有植被、水泥斜灘複合沙岸容易積累垃圾，礫石灘也相對容易積累小體積的海漂垃圾。(3)撿拾到的寶特瓶的來源國有著季節的差別，推測可能跟季風與海流的季節交替有關。(4)時間尺度分析上，從四到九月期間的海漂垃圾件數、體積以及重量有先遞增、後遞減趨勢，顯示海漂垃圾在歷史堆積以後，經由本研究每月間隔現地調查清除垃圾，受季風、海流、人為因素等影響而產生垃圾時空重新分佈。(5)空間尺度上，從各式材質海灘之垃圾平均多寡，顯示垃圾分佈與其地貌，地理位置潛在因子有密切相關性。;The aims of this study is to investigate the distribution,categories,and country of origin of the coastal debris in the field of Taoyuan coast. There are unique landforms such as algal reefs, stone tidal weirs, and sand dune in the Taoyuan coast; however, the coastal debris affects the coastal environments. The entire coastal zone is divided into 30 regions using GIS based on the locations of river mouths and coastal jetties. We planned 30 sampling areas with circles of 20 meters radius located near the high tidal line. The sampling period in fields were during March to October 2019. Following the organization of International Coastal Cleanup (ICC), we categorized the coastal debris into five groups: plastic bottles, daily life wastes, fishing wastes, cigarette butts, and medical wastes. We also surveyed large size coastal debris after April. Some findings are summarized in the following: (1) the amount of the coastal debris in the northern coastal area is higher than that in the southern area. (2) Landform affects the amount of coastal debris. Debris is more easily to be accumulated on sand beaches where filled by vegetation and concrete slopes; small size debris is more easily to be accumulated on gravel beaches. (3) The origins of the collected plastic bottles are different in different seasons, possibly due to the change of summer and winter monsoon and the ocean currents. (4) The amount of the coastal debris depends on the time and the season. (5) The amount of the coastal debris is also affected by the landform and the geographical locations.
显示于类别:	[水文與海洋科學研究所] 博碩士論文

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