臺灣早期為了農田灌溉興建許多的農塘,以協助解決枯水期間的用水問題。但隨著社會結構及農業生產的改變,有些農塘逐漸被荒廢或轉作其他用途。農塘具有生產、生態及生活等三生功能,應改予以重視。目前政府正進行全面性的農塘盤點,以掌握農塘之現況及其三生與防洪功能。本研究主要想了解農塘對於其周圍微氣候之影響。研究對象以在臺南市官田區葫蘆埤、龍崎區牛埔農塘及六甲區瓦窯埤為主,以農塘周圍的溫度及濕度為量測標的,量測時間於2018年8月開始至2019年5月為止,然後分析農塘周圍環境在溫度及濕度上的差異。結果顯示農塘和附近參考點比較,白天溫度較低,夜間溫度較高,顯示農塘水體具有調節周圍環境溫度之功能。
In the past, many farm ponds were constructed for agriculture irrigation and avoiding insufficient water supply in dry seasons in Taiwan. However, as the changes of social structure and land use, some farm ponds have gradually been abandoned or converted to other uses in recent decades. We should pay attention on farm ponds because they play important roles in agriculture production, ecology and living. Recently, Taiwan government conducts comprehensive investigation on farm ponds so as to understand their present status and the functions in flood mitigations. The present study is aimed to investigate the impact of farm ponds on microclimate by measuring the variations of environmental temperatures and humidity of three farm ponds, the Hulupi Pond in Guantian District, Niupu Pond in Longqi District, and Wayaopi Pond in Lioujia District in Taina City. Measurements were conducted in the period of August, 2018 to May, 2019. The results show that the existence of a farm pond yields lower environmental temperature in the day time but higher temperature in the night time, and this shows farm ponds have the function of temperature adjustment in the view of microclimate.
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