The potential role of very high-resolution imagery to characterise lake, wetland and stream systems across the Prairie Pothole Region, United States
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Abstract
Aquatic features critical to watershed hydrology range widely in size from narrow, shallow streams to large, deep lakes. In this study we evaluated wetland, lake, and river systems across the Prairie Pothole Region to explore where pan-sharpened high-resolution (PSHR) imagery, relative to Landsat imagery, could provide additional data on surface water distribution and movement, missed by Landsat. We used the monthly Global Surface Water (GSW) Landsat product as well as surface water derived from Landsat imagery using a matched filtering algorithm (MF Landsat) to help consider how including partially inundated Landsat pixels as water influenced our findings. The PSHR outputs (and MF Landsat) were able to identify ~60–90% more surface water interactions between waterbodies, relative to the GSW Landsat product. However, regardless of Landsat source, by documenting many smaller (<0.2 ha), inundated wetlands, the PSHR outputs modified our interpretation of wetland size distribution across the Prairie Pothole Region.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The potential role of very high-resolution imagery to characterise lake, wetland and stream systems across the Prairie Pothole Region, United States |
| Series title | International Journal of Remote Sensing |
| DOI | 10.1080/01431161.2019.1582112 |
| Volume | 40 |
| Issue | 15 |
| Year Published | 2019 |
| Language | English |
| Publisher | Taylor & Francis |
| Contributing office(s) | Geosciences and Environmental Change Science Center |
| Description | 31 p. |
| First page | 5768 |
| Last page | 5798 |
| Country | United States |
| Other Geospatial | Prairie Pothole Region |
| Google Analytic Metrics | Metrics page |