2016-01-012024-05-15https://scholars.lib.ntu.edu.tw/handle/123456789/666210摘要：生活在台灣的人民經歷越來越多不明確的地球暖化造成下的氣候變遷。大部分座落於西太平洋的海島國家文化也被逐漸升高的海平線所威脅。另一方面，由於地球接收太陽輻射總量自然減弱，地球可能已逐漸接近下一個不可避免的冰河期。在如此複雜的自然變化以及人為影響之下，大氣、海洋的循環、以及地球化學成分已經改變，整個生態系統日趨脆弱。在此我們使用台灣太平洋周邊地區的海陸記錄，研究區域與全球氣候系統之連結，揭示尤其在高緯度的氣候和環境狀態。我們將會評估在北冰洋之海洋沉積物對低緯度之氣候影響，包括最近一千年來與冰期-間冰期循環，深入探討自然和人類力量造成的全球變化，評估對東亞和台灣其影響。我們將提供一個高分辨率和長期的數據庫，以了解自然氣候變化、資源管理規劃、以利永續發展政策之制定。為了拯救消失的古老文化以及下沉的太平洋島嶼上消失的文化遺產，透過國際合作將以台大的鈾釷定年技術重建古文明。本計畫由沈川洲老師擔任主持人，任昊佳老師以及施路易老師擔任共同主持人。因應本計畫需要，提出建立一個世界頂尖的氮同位素實驗室，地質科學系同時承諾本系113辦公室作為本實驗室之使用空間。<br> Abstract: People, living in Taiwan, are experiencing more and more unpredictable hydroclimate dynamics under the current global warming. Maritime nations, most located in the western Pacific, and their cultures are also being threatened by the induced sea level rise. In contrast, due to the naturally decreasing solar insolation, Earth is gradually approaching the next inevitable glacial period. Under such complicated natural variability and anthropogenic impact, atmospheric and oceanic circulations and their biogeochemical compositions have been changed and entire ecosystem became more fragile. Here we propose to reveal climatic and environmental conditions using marine and terrestrial proxy records from Taiwan’s surrounding areas in the Pacific Ocean to study how the areas are linked to the global climate system, in particular teleconnections to high-latitudes. Marine sediment in the Arctic Ocean will also be analyzed to evaluate the influence on low-latitude climate. Different time windows include the recent 1,000s years and the glacial-interglacial cycles. We will use the reconstructed results to in-depth understand natural and artificial forcings and to evaluate their influences on East Asia and Taiwan. We will provide a high-resolution and long-term database for a better understanding of natural climate evolution, planning of resource management, and making of sustainability policy. To rescue disappearing ancient cultures and vanishing heritages in the sinking Pacific islands, we will rebuild the history of archaeological temples and structures by coral U-Th dating with our international collaborators. Scientists involved include Prof. Chuan-Chou Shen (main PI), Prof. Haojia Abby Ren (co-PI), and Prof. Ludvig L&#246;wemark (co-PI) of the Department of Geosciences. Establishment of a world-laboratory nitrogen isotope laboratory with a mass spectrometer will be required in this project. Our department has also committed a space, Room 113 of the Department of Geosciences, for this laboratory.西太平洋古水文氣候變化史前文化Paleo-hydroclimateprehistoric cultureWestern Pacific