@article{oai:tokyo-metro-u.repo.nii.ac.jp:00005486, author = {Ochiai, Masahiro and Nakajima, Takuo and Ohotsuki, Hiroyoshi and Sasaki, Jyutaro and 落合, 正宏 and 中島, 拓男 and 大朏, 博善 and 佐々木, 重太郎}, issue = {53}, journal = {総合都市研究}, month = {}, note = {多摩川の丸子調布堰において1988年10月より1990年12月まで水質測定(MBAS) と視覚観測(写真撮影)を行った。水温の低下に伴う河川水中での微生物の活性の低下のため、MBASやアンモニア濃度は冬期に高い濃度を示した。MBAS濃度が高くなると水面のアワの面積が増加した。しかし、MBAS濃度とアワの面積の間には有為な相関は見られなかった。アワを指標とした景観と水質について考察を行った。, Water was analyzed for MBAS (methylen blue active substance) at Maruko Water Intake station of Tamagawa River from October 1988 to December 1990 and the detergent plume was recorded by picture. Because of declining of microbial activity in low temperature water,the concentrations of MBAS were high in winter season. The area of detergent plume on river water increased with the concentrations of MBAS. The significant correlation between the area of detergent plume and MBAS concentrations could not be observed. The waterscape and water quality in urban river environment were discussed for index of detergent plume., postprint}, pages = {71--81}, title = {画像解析を利用した水質汚濁とそれに基づく景観の評価 (化学景観学)}, year = {1994} }