pH raster of Old Erie Canal

The Old Erie Canal has undergone sedimentation and aquatic growth that have restricted flow and diminished the aesthetic quality of the canal during the nearly 200...旧伊利运河（Old Erie Canal）在近200年的历程中出现了河道淤积与水生植被滋生的问题，二者均限制了运河的水流流通，并降低了其美学品质。