Geomorphic Reference Reach Data for the Kalamazoo River Basin, Michigan Area of Concern

The Kalamazoo River Area of Concern (AOC) in Michigan has multiple dams in various stages of removal. Following dam removal, river restoration activities will occur in impacted reaches. Hydrogeomorphic data from relatively undisturbed and hydraulically stable river reaches are commonly used to inform the design parameters of river restoration projects. Reference reaches should be selected that operate under similar prevailing boundary conditions as target restoration reaches, including water and sediment regime, valley and channel slope, valley confinement, bank heights, and riparian vegetation. The datasets contained in this data release represent the results of a geomorphic assessment of the Kalamazoo River to identify and characterize reference reaches that are applicable analogues for dam removal and restoration sites in various channel and valley settings along the Kalamazoo River from the city of Kalamazoo downstream through the towns of Plainwell and Allegan. The reference reach data include a digital elevation model, channel and floodplain cross-sections, a longitudinal profile, mapped hydrogeomorphic units and large woody debris, and substrate size data. Reference reaches are nested as separate child items on this page. As of early 2023, one reference reach has been published (Kalamazoo River Upstream of Plainwell, MI) and several more are in progress and will be added to this page when completed.密歇根州卡拉马祖河关注区域（Kalamazoo River Area of Concern, AOC）内有多座处于不同拆除阶段的水坝。水坝拆除后，将在受影响河段开展河流修复活动。通常采用相对未受干扰且水力稳定的河段的水文地貌数据，为河流修复项目的设计参数提供依据。参考河段的选取应满足与目标修复河段具有相似的主导边界条件，包括水沙情势、河谷与河道坡度、河谷约束性、岸坡高度以及河岸植被。 本数据发布所包含的数据集，为卡拉马祖河的地貌评估成果，旨在识别并表征可作为类比对象的参考河段，这些河段适用于类比卡拉马祖河沿线（从卡拉马祖市下游至普兰维尔和阿勒根镇段）不同河道与河谷环境中的水坝拆除及修复场地。 参考河段数据涵盖数字高程模型、河道与漫滩横断面、纵剖面、测绘的水文地貌单元与大型木质碎屑，以及底质粒径数据。 参考河段以独立子项形式嵌套于本页面。截至2023年初，已有一处参考河段发布（密歇根州普兰维尔上游的卡拉马祖河），其余多处仍在编制中，完成后将添加至本页面。