愛河水質變色 高市研判與藻類生長有關 - 高雄
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By Charlotte
at 2019-06-07T23:24
at 2019-06-07T23:24
Table of Contents
https://www.cna.com.tw/news/aloc/201906070104.aspx
愛河水質變色 高市研判與藻類生長有關
最新更新:2019/06/07 14:40
(中央社記者王淑芬高雄7日電)愛河近日河水顏色變成奶茶色、白色等,端午龍舟賽在
愛河舉行,河水的良窳格外受關注。市府環保局研判河川變色應與藻類生長有關。
近來幾次大雨後,愛河不僅漂浮很多垃圾,連河水顏色也起變化,先是奶茶色又有白色等
不同變化,民眾不禁質疑愛河是不是已不適合水上活動。
環保局今天發布新聞稿指出,愛河不定期有水質變色,主要發生在季節變換時。環保局於
愛河設6個水質監測站,每月採樣監測,遇水質顏色改變就加強採樣分析,因應龍舟競賽
,環保局也加強水質檢測。
環保局指出,近期降雨挾帶大量垃圾、落葉進河道擾動河川底泥促使營養鹽釋出,加上潮
汐影響、天氣炎熱及日照時間足夠,造成愛河自108年4月下旬起,河水顏色變化。
河水檢測顯示,其中重金屬濃度接近環境基準值甚至低於偵測極限,懸浮固體濃度不高,
顯示未受工業廢水流入影響,不過水中氨氮濃度較高,造成優勢單一藻類大量繁殖,研判
河川變色應與藻類生長有關。
尤其,藻類藉光合作用產生能量及氧氣,當單一藻類大量繁殖,愛河河水的顏色隨著不同
藻類產生的色素而出現不同顏色變化。
環保局利用顯微鏡觀察藻類,當水色出現紅棕色、褐色時,優勢種常為矽藻、甲藻、隱藻
等;水色出現綠色時,優勢種常為裸藻、顫藻等藍綠藻,還有菌類及浮游動物如纖毛蟲等
。
環保局說,隨著不同藻類的轉換而產生顏色變化;至於愛河上游水色曾出現過乳白色情形
因水中硫酸鹽與鈣離子在高溫環境下產生硫酸鈣膠體,推測沉積物可能因溫度、海水漲退
潮等因素轉變為膠體導致水色呈白濁。
關於愛河水質不佳的疑慮,環保局長袁中新表示,無論是河道垃圾打撈、河川巡查採樣及
檢驗分析等,環保局不遺餘力,會竭盡改善讓市民享有更優質的水環境。(編輯:陳惠珍
)1080607
--
http://mbscnn.org/NewsList.aspx?CLASS=221
上座部佛教馬哈希尊者帝釋所問經講記77頁拆穿假佛法大乘的騙局。
馬哈希尊者毗婆舍那講記(含法的醫療)說明如何修四念處增加智慧斷除所有煩惱。
https://santi4u.blogspot.com/ PTMC 馬哈希寂靜禪園
妙法蓮華經、華嚴經、心經、金剛經、梵網經(菩薩戒)、圓覺經、楞嚴經是大乘假佛經。
阿彌陀佛 藥師佛 大日如來是大乘假佛 觀世音 維摩詰 龍樹 地藏王是大乘假菩薩
--
愛河水質變色 高市研判與藻類生長有關
最新更新:2019/06/07 14:40
(中央社記者王淑芬高雄7日電)愛河近日河水顏色變成奶茶色、白色等,端午龍舟賽在
愛河舉行,河水的良窳格外受關注。市府環保局研判河川變色應與藻類生長有關。
近來幾次大雨後,愛河不僅漂浮很多垃圾,連河水顏色也起變化,先是奶茶色又有白色等
不同變化,民眾不禁質疑愛河是不是已不適合水上活動。
環保局今天發布新聞稿指出,愛河不定期有水質變色,主要發生在季節變換時。環保局於
愛河設6個水質監測站,每月採樣監測,遇水質顏色改變就加強採樣分析,因應龍舟競賽
,環保局也加強水質檢測。
環保局指出,近期降雨挾帶大量垃圾、落葉進河道擾動河川底泥促使營養鹽釋出,加上潮
汐影響、天氣炎熱及日照時間足夠,造成愛河自108年4月下旬起,河水顏色變化。
河水檢測顯示,其中重金屬濃度接近環境基準值甚至低於偵測極限,懸浮固體濃度不高,
顯示未受工業廢水流入影響,不過水中氨氮濃度較高,造成優勢單一藻類大量繁殖,研判
河川變色應與藻類生長有關。
尤其,藻類藉光合作用產生能量及氧氣,當單一藻類大量繁殖,愛河河水的顏色隨著不同
藻類產生的色素而出現不同顏色變化。
環保局利用顯微鏡觀察藻類,當水色出現紅棕色、褐色時,優勢種常為矽藻、甲藻、隱藻
等;水色出現綠色時,優勢種常為裸藻、顫藻等藍綠藻,還有菌類及浮游動物如纖毛蟲等
。
環保局說,隨著不同藻類的轉換而產生顏色變化;至於愛河上游水色曾出現過乳白色情形
因水中硫酸鹽與鈣離子在高溫環境下產生硫酸鈣膠體,推測沉積物可能因溫度、海水漲退
潮等因素轉變為膠體導致水色呈白濁。
關於愛河水質不佳的疑慮,環保局長袁中新表示,無論是河道垃圾打撈、河川巡查採樣及
檢驗分析等,環保局不遺餘力,會竭盡改善讓市民享有更優質的水環境。(編輯:陳惠珍
)1080607
--
http://mbscnn.org/NewsList.aspx?CLASS=221
上座部佛教馬哈希尊者帝釋所問經講記77頁拆穿假佛法大乘的騙局。
馬哈希尊者毗婆舍那講記(含法的醫療)說明如何修四念處增加智慧斷除所有煩惱。
https://santi4u.blogspot.com/ PTMC 馬哈希寂靜禪園
妙法蓮華經、華嚴經、心經、金剛經、梵網經(菩薩戒)、圓覺經、楞嚴經是大乘假佛經。
阿彌陀佛 藥師佛 大日如來是大乘假佛 觀世音 維摩詰 龍樹 地藏王是大乘假菩薩
--
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at 2019-08-18T11:15
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By Valerie
at 2019-08-19T19:38
at 2019-08-19T19:38
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By Elvira
at 2019-08-21T04:00
at 2019-08-21T04:00
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By Necoo
at 2019-08-22T12:23
at 2019-08-22T12:23
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By Aaliyah
at 2019-08-23T20:45
at 2019-08-23T20:45
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By Isla
at 2019-08-25T05:08
at 2019-08-25T05:08
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By Lydia
at 2019-08-26T13:30
at 2019-08-26T13:30
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By Valerie
at 2019-08-27T21:53
at 2019-08-27T21:53
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By Jacob
at 2019-08-29T06:15
at 2019-08-29T06:15
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