Sequential Changes in Coastal Plain Rivers Influenced by Rising Sea-Level
Abstract
:1. Introduction
1.1. Definitions
1.2. Backwater Impacts
1.3. Space-for-Time
2. Study Area
Sea-Level Trends
3. Methods
3.1. Backwater Effects
3.2. Wetlands
3.3. Floodplain Histosols
3.4. Terrace Burial
3.5. Field Observations
4. Results
4.1. Backwater Effects
4.2. Semi-Permanently Flooded Wetlands
4.3. Floodplain Histosols
4.4. Intra-Swamp Alluvial Terrace Soils
4.5. Forest-Marsh Transitions
4.6. Comparison
5. Discussion
5.1. Sequence of Changes
5.2. Rates of Change
5.3. Leading and Trailing Edges
6. Conclusions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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River | Estuary | HOE | Headwaters | DA | TR | Notes |
---|---|---|---|---|---|---|
Chowan (Meherrin, Nottoway, Blackwater) | Albemarle Sound | Edenton, N.C. | Piedmont, VA | 12,950 | <0.15 | Meherrin, Nottoway & Blackwater Rivers, VA join to form the Chowan River |
Roanoke | Albemarle Sound | Plymouth, N.C. | Blue Ridge Mtns., VA | 25,100 | <0.15 | Affected by large dams in lower Piedmont |
Tar | Pamlico River/Pamlico Sound | Washington, N.C. | Piedmont, N.C. | 14,400 | <0.15 | Name changes from Tar to Pamlico River at HOE |
Tranter’s Creek | Pamlico River/Pamlico Sound | Washington, N.C. | Coastal Plain, N.C. | 637 | <0.15 | Tar River tributary |
Neuse | Neuse River/Pamlico Sound | New Bern, N.C. | Piedmont, N.C. | 14,600 | <0.15 | |
Swift Creek | Neuse River | New Bern, N.C. | Coastal Plain, N.C. | 700 | <0.15 | Neuse River tributary; confluence upstream of New Bern |
Trent River | Trent River | River Bend, N.C. | Coastal Plain, N.C. | 1420 | <0.15 | Trent estuary tributary to Neuse estuary |
Newport River | Newport River | Morehead City, N.C. | Coastal Plain, N.C. | 310 | 0.94–1.06 | Possible effects of dredging in estuary |
Northeast Cape Fear | Cape Fear River | Wilmington, N.C. | Coastal Plain, N.C. | 4440 | 1.30–1.42 | Joins Cape Fear River at Wilmington |
Cape Fear | Cape Fear River | Wilmington, N.C. | Piedmont, N.C. | 23,730 | 1.30–1.42 | Possible effects of navigational dredging in estuary |
Black (N.C.) | Cape Fear River | Wilmington, N.C. | Coastal Plain, N.C. | 1680 | 1.30–1.42 | Tributary of lower Cape Fear River |
Waccamaw | Winyah Bay | Georgetown, S.C. | Coastal Plain, N.C. | 2890 | 1.00–1.40 | Joins Pee Dee River at Winyah Bay |
Great Pee Dee | Winyah Bay | Georgetown, S.C. | Upper piedmont, N.C. | 47,060 | 1.00–1.40 | |
Little Pee Dee | Winyah Bay | Georgetown, S.C. | Coastal Plain, N.C. | 7800 | 1.00–1.40 | Upper reaches in N.C. called Lumber River; tributary to Great Pee Dee |
Lynches | Winyah Bay | Georgetown, S.C. | Lower piedmont, N.C. & S.C. | 2700 | 1.00–1.40 | Tributary to Great Pee Dee |
Black (SC) | Winyah Bay | Georgetown, S.C. | Piedmont, S.C. | 850 | 1.00–1.40 | |
Sampit | Winyah Bay | Georgetown, S.C. | Coastal Plain, S.C. | 426 | 1.00–1.40 | |
Santee | South Santee River & North Santee Bay | Cape Romain, S.C. | Blue Ridge Mtns, N.C. & S.C. | 64,400 | 1.16–1.29 | Affected by large dams in upper coastal plain |
Soil Series | Taxonomy | Rivers |
---|---|---|
Chowan | Fine-silty, mixed, active, nonacid, Thapto-Histic Fluvaquents | Chowan, Cape Fear |
Dorovan | Dysic, thermic, Typic Haplosaprists | Chowan (inc. Meherrin, Blackwater, Nottoway), Roanoke, Tar, Neuse, Tranter’s, Swift, Newport, Cape Fear, NE Cape Fear, Black (N.C.) |
Hobonny | Euic, thermic Typic Haplosaprists | Trent, Waccamaw, Pee Dee, Little Pee Dee, Lynches, Black (S.C.), Sampit |
Pamlico | Sandy or sandy-skeletal, siliceous, dysic, thermic Terric Haplosaprists | Black (N.C.), Santee |
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Phillips, J.D. Sequential Changes in Coastal Plain Rivers Influenced by Rising Sea-Level. Hydrology 2024, 11, 124. https://doi.org/10.3390/hydrology11080124
Phillips JD. Sequential Changes in Coastal Plain Rivers Influenced by Rising Sea-Level. Hydrology. 2024; 11(8):124. https://doi.org/10.3390/hydrology11080124
Chicago/Turabian StylePhillips, Jonathan D. 2024. "Sequential Changes in Coastal Plain Rivers Influenced by Rising Sea-Level" Hydrology 11, no. 8: 124. https://doi.org/10.3390/hydrology11080124