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Schmidt TS, Fuller CC, Qi SL, Gellis AC. Rebuttal to Correspondence on "Sediment Sources and Sealed-Pavement Area Drive Polycyclic Aromatic Hydrocarbon and Metal Occurrence in Urban Streams". Environ Sci Technol 2023; 57:6756-6758. [PMID: 37036265 DOI: 10.1021/acs.est.3c02351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Affiliation(s)
- Travis S Schmidt
- U.S. Geological Survey, 3162 Bozeman Avenue, Helena, Montana 59601, United States
| | - Christopher C Fuller
- U.S. Geological Survey, 345 Middlefield Road, Menlo Park, California 94025, United States
| | - Sharon L Qi
- U.S. Geological Survey, P.O. Box 25046, MS 415 Denver Federal Center, Lakewood, Colorado 80225, United States
| | - Allen C Gellis
- U.S. Geological Survey, 5522 Research Park Drive, Baltimore, Maryland 21228, United States
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Xu Z, Belmont P, Brahney J, Gellis AC. Sediment source fingerprinting as an aid to large-scale landscape conservation and restoration: A review for the Mississippi River Basin. J Environ Manage 2022; 324:116260. [PMID: 36179467 DOI: 10.1016/j.jenvman.2022.116260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 09/09/2022] [Accepted: 09/10/2022] [Indexed: 06/16/2023]
Abstract
Reliable quantitative information on sediment sources to rivers is critical to mitigate contamination and target conservation and restoration actions. However, for large-scale river basins, determination of the relative importance of sediment sources is complicated by spatiotemporal variability in erosional processes and sediment sources, heterogeneity in sediment transport and deposition, and a paucity of sediment monitoring data. Sediment source fingerprinting is an increasingly adopted field-based technique that identifies the nature and relative source contribution of sediment transported in waterways. Notably, sediment source fingerprinting provides information that is independent of other field, modeling, or remotely sensed techniques. However, the diversity in sampling, analytical, and interpretive methods for sediment fingerprinting has been recognized as a problem in terms of developing standardized procedures for its application at the scale of large river basins. Accordingly, this review focuses on sediment source fingerprinting studies conducted within the Mississippi River Basin (MRB), summarizes unique information provided by sediment source fingerprinting that is distinct from traditional monitoring techniques, evaluates consistency and reliability of methodological approaches among MRB studies, and provides prospects for the use of sediment source fingerprinting as an aid to large-scale landscape conservation and restoration under current management frameworks. Most MRB studies reported credible fingerprinting results and found near-channel sources to be the dominant sediment sources in most cases, and yet a lack of standardization in procedural steps makes results difficult to compare. Findings from MRB studies demonstrated that sediment source fingerprinting is a highly valuable and reliable sediment source assessment approach to assist land and water resource management under current management frameworks, but efforts are needed to make this technique applicable in large-scale landscape conservation and restoration efforts. We summarize research needs and discuss sediment fingerprinting use for basin-scale management efforts with the aim of encouraging that this technique is robust and reliable as it moves forward.
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Affiliation(s)
- Zhen Xu
- Department of Watershed Sciences, Utah State University, Logan, UT, 84322, USA.
| | - Patrick Belmont
- Department of Watershed Sciences, Utah State University, Logan, UT, 84322, USA
| | - Janice Brahney
- Department of Watershed Sciences, Utah State University, Logan, UT, 84322, USA
| | - Allen C Gellis
- U.S. Geological Survey, Maryland-Delaware-D.C. Water Science Center, Baltimore, MD, 21228, USA
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Norman LM, Lal R, Wohl E, Fairfax E, Gellis AC, Pollock MM. Natural infrastructure in dryland streams (NIDS) can establish regenerative wetland sinks that reverse desertification and strengthen climate resilience. Sci Total Environ 2022; 849:157738. [PMID: 35932871 DOI: 10.1016/j.scitotenv.2022.157738] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 07/15/2022] [Accepted: 07/27/2022] [Indexed: 06/15/2023]
Abstract
In this article we describe the natural hydrogeomorphological and biogeochemical cycles of dryland fluvial ecosystems that make them unique, yet vulnerable to land use activities and climate change. We introduce Natural Infrastructure in Dryland Streams (NIDS), which are structures naturally or anthropogenically created from earth, wood, debris, or rock that can restore implicit function of these systems. This manuscript further discusses the capability of and functional similarities between beaver dams and anthropogenic NIDS, documented by decades of scientific study. In addition, we present the novel, evidence-based finding that NIDS can create wetlands in water-scarce riparian zones, with soil organic carbon stock as much as 200 to 1400 Mg C/ha in the top meter of soil. We identify the key restorative action of NIDS, which is to slow the drainage of water from the landscape such that more of it can infiltrate and be used to facilitate natural physical, chemical, and biological processes in fluvial environments. Specifically, we assert that the rapid drainage of water from such environments can be reversed through the restoration of natural infrastructure that once existed. We then explore how NIDS can be used to restore the natural biogeochemical feedback loops in these systems. We provide examples of how NIDS have been used to restore such feedback loops, the lessons learned from installation of NIDS in the dryland streams of the southwestern United States, how such efforts might be scaled up, and what the implications are for mitigating climate change effects. Our synthesis portrays how restoration using NIDS can support adaptation to and protection from climate-related disturbances and stressors such as drought, water shortages, flooding, heatwaves, dust storms, wildfire, biodiversity losses, and food insecurity.
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Affiliation(s)
- Laura M Norman
- U.S. Geological Survey, Western Geographic Science Center, Tucson, AZ 85719, USA.
| | - Rattan Lal
- Ohio State University, CFAES Rattan Lal Center for Carbon Management and Sequestration, Columbus, OH 43210, USA
| | - Ellen Wohl
- Colorado State University, Department of Geosciences, Warner College of Natural Resources, Ft Collins, CO 80523, USA
| | - Emily Fairfax
- California State University Channel Islands, Department of Environmental Science and Research Management, Camarillo, CA 93012, USA
| | - Allen C Gellis
- U.S. Geological Survey, Maryland-Delaware-D.C. Water Science Center, Baltimore, MD 21228, USA
| | - Michael M Pollock
- NOAA Fisheries-Northwest Fisheries Science Center, Watershed Program, Seattle, WA 98112, USA
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Van Metre PC, Mahler BJ, Qi SL, Gellis AC, Fuller CC, Schmidt TS. Sediment Sources and Sealed-Pavement Area Drive Polycyclic Aromatic Hydrocarbon and Metal Occurrence in Urban Streams. Environ Sci Technol 2022; 56:1615-1626. [PMID: 35045246 DOI: 10.1021/acs.est.1c00414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Metals and polycyclic aromatic hydrocarbons (PAHs) are common pollutants in urban streambed sediment, yet their occurrence is highly variable and difficult to predict. To investigate sources of PAHs and metals to streambed sediment, we sampled pavement dust, soil, and streambed sediment in 10 urban watersheds in three regions of the United States and applied a fallout-radionuclide-based sediment-source analysis to quantify the pavement dust contribution to stream sediment (%dust). We also mapped the area of sealcoated pavement in each watershed (%sealed) to investigate the role of coal-tar pavement sealant (CTS) as a PAH source. Median total and carbon-normalized total PAH concentrations were significantly higher in streambed sediment in the Northeast (54.3 mg/kg and 2.71 mg/gOC) and Southeast (5.37 mg/kg and 1.36 mg/gOC), where CTS is commonly used, than in the Northwest (2.11 mg/kg and 0.071 mg/gOC), where CTS is rarely used. Generalized additive models indicated that %sealed and in some cases %dust significantly affected total PAH concentrations in streambed sediments. The %dust was a significant variable for common urban metals: Cu, Pb, and Zn. These findings advance our quantitative understanding of the role of pavement dust as a source and a vector of contaminants to urban streams.
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Affiliation(s)
| | | | - Sharon L Qi
- U.S. Geological Survey, Denver, Colorado 80225, United States
| | - Allen C Gellis
- U.S. Geological Survey, Baltimore, Maryland 21228, United States
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Waite IR, Van Metre PC, Moran PW, Konrad CP, Nowell LH, Meador MR, Munn MD, Schmidt TS, Gellis AC, Carlisle DM, Bradley PM, Mahler BJ. Multiple in-stream stressors degrade biological assemblages in five U.S. regions. Sci Total Environ 2021; 800:149350. [PMID: 34399326 DOI: 10.1016/j.scitotenv.2021.149350] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 07/23/2021] [Accepted: 07/26/2021] [Indexed: 06/13/2023]
Abstract
Biological assemblages in streams are affected by a wide variety of physical and chemical stressors associated with land-use development, yet the importance of combinations of different types of stressors is not well known. From 2013 to 2017, the U.S. Geological Survey completed multi-stressor/multi-assemblage stream ecological assessments in five regions of the United States (434 streams total). Diatom, invertebrate, and fish communities were enumerated, and five types of potential stressors were quantified: habitat disturbance, excess nutrients, high flows, basic water quality, and contaminants in water and sediment. Boosted regression tree (BRT) models for each biological assemblage and region generally included variables from all five stressor types and multiple stressors types in each model was the norm. Classification and regression tree (CART) models then were used to determine thresholds for each BRT model variable above which there appeared to be adverse effects (multi-metric index (MMI) models only). In every region and assemblage there was a significant inverse relation between the MMI and the number of stressors exerting potentially adverse effects. The number of elevated instream stressors often varied substantially for a given level of land-use development and the number of elevated stressors was a better predictor of biological condition than was development. Using the adverse effects-levels that were developed based on the BRT model results, 68% of the streams had two or more stressors with potentially adverse effects and 35% had four or more. Our results indicate that relatively small increases in the number of stressors of different types can have a large effect on a stream ecosystem.
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Affiliation(s)
- Ian R Waite
- U.S. Geological Survey, Oregon Water Science Center, Portland, OR 97201, USA.
| | - Peter C Van Metre
- U.S. Geological Survey, Texas Water Science Center, Austin, TX 78754, USA
| | - Patrick W Moran
- U.S. Geological Survey, Washington Water Science Center, Tacoma, WA 98402, USA
| | - Chris P Konrad
- U.S. Geological Survey, Washington Water Science Center, Tacoma, WA 98402, USA
| | - Lisa H Nowell
- U.S. Geological Survey, California Water Science Center, Sacramento, CA 95819, USA
| | - Mike R Meador
- U.S. Geological Survey, Headquarters, Reston, VA 20192, USA
| | - Mark D Munn
- U.S. Geological Survey, Washington Water Science Center, Tacoma, WA 98402, USA
| | - Travis S Schmidt
- U.S. Geological Survey, Montana Water Science Center, Helena, MT 59601, USA
| | - Allen C Gellis
- U.S. Geological Survey, Maryland-Delaware-D.C. Water Science Center, Catonsville, MD 21228, USA
| | - Daren M Carlisle
- U.S. Geological Survey, Kansas Water Science Center, Lawrence, KS 66049, USA
| | - Paul M Bradley
- U.S. Geological Survey, South Carolina Water Science Center, Columbia 29210, USA
| | - Barbara J Mahler
- U.S. Geological Survey, Texas Water Science Center, Austin, TX 78754, USA
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Hopkins KG, Noe GB, Franco F, Pindilli EJ, Gordon S, Metes MJ, Claggett PR, Gellis AC, Hupp CR, Hogan DM. A method to quantify and value floodplain sediment and nutrient retention ecosystem services. J Environ Manage 2018; 220:65-76. [PMID: 29758400 DOI: 10.1016/j.jenvman.2018.05.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 04/30/2018] [Accepted: 05/06/2018] [Indexed: 06/08/2023]
Abstract
Floodplains provide critical ecosystem services to local and downstream communities by retaining floodwaters, sediments, and nutrients. The dynamic nature of floodplains is such that these areas can both accumulate sediment and nutrients through deposition, and export material downstream through erosion. Therefore, estimating floodplain sediment and nutrient retention should consider the net flux of both depositional and erosive processes. An ecosystem services framework was used to quantify and value the sediment and nutrient ecosystem service provided by floodplains in the Difficult Run watershed, a small (151 km2) suburban watershed located in the Piedmont of Virginia (USA). A sediment balance was developed for Difficult Run and two nested watersheds. The balance included upland sediment delivery to streams, stream bank flux, floodplain flux, and stream load. Upland sediment delivery was estimated using geospatial datasets and a modified Revised Universal Soil Loss Equation. Predictive models were developed to extrapolate field measurements of the flux of sediment, sediment-bound nitrogen (N), and sediment-bound phosphorus (P) from stream banks and floodplains to 3232 delineated stream segments in the study area. A replacement cost approach was used to estimate the economic value of the sediment and nutrient retention ecosystem service based on estimated net stream bank and floodplain flux of sediment-bound N for all streams in the study area. Results indicated the net fluvial fluxes of sediment, sediment-bound N, and sediment-bound P were -10,439 Mg yr-1 (net export), 57,300 kg-N yr-1 (net trapping), and 98 kg-P yr-1(net trapping), respectively. For sediment, floodplain retention was offset by substantial losses from stream bank erosion, particularly in headwater catchments, resulting in a net export of sediment. Nutrient retention in the floodplain exceeded that lost through stream bank erosion resulting in net retention of nutrients (TN and TP). Using a conservative cost estimate of $12.69 (USD) per kilogram of nitrogen, derived from wastewater treatment costs, the estimated annual value for sediment and nutrient retention on Difficult Run floodplains was $727,226 ± 194,220 USD/yr. Values and differences in floodplain nitrogen retention among stream reaches can be used to target areas for floodplain conservation and stream restoration. The methods presented are scalable and transferable to other areas if appropriate datasets are available for validation.
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Affiliation(s)
- Kristina G Hopkins
- U.S. Geological Survey, South Atlantic Water Science Center, 3916 Sunset Ridge Road, Raleigh, NC, USA.
| | - Gregory B Noe
- U.S. Geological Survey, Hydrological-Ecological Interactions Branch, 430 National Center, Reston, VA, USA
| | - Fabiano Franco
- U.S. Geological Survey, Science and Decisions Center, 913 National Center, Reston, VA, USA
| | - Emily J Pindilli
- U.S. Geological Survey, Science and Decisions Center, 913 National Center, Reston, VA, USA
| | - Stephanie Gordon
- U.S. Geological Survey, Leetown Science Center, 11649 Leetown Rd, Kearneysville, WV USA
| | - Marina J Metes
- U.S. Geological Survey, MD-DE-DC Water Science Center, 5522 Research Park Drive, Catonsville, MD, USA
| | - Peter R Claggett
- U.S. Geological Survey, Eastern Geographic Science Center, Reston, 521 National Center, Reston, VA, USA
| | - Allen C Gellis
- U.S. Geological Survey, MD-DE-DC Water Science Center, 5522 Research Park Drive, Catonsville, MD, USA
| | - Cliff R Hupp
- U.S. Geological Survey, Hydrological-Ecological Interactions Branch, 430 National Center, Reston, VA, USA
| | - Dianna M Hogan
- U.S. Geological Survey, Eastern Geographic Science Center, Reston, 521 National Center, Reston, VA, USA
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Gellis AC, Fuller CC, Van Metre PC. Sources and ages of fine-grained sediment to streams using fallout radionuclides in the Midwestern United States. J Environ Manage 2017; 194:73-85. [PMID: 27566936 DOI: 10.1016/j.jenvman.2016.06.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2016] [Revised: 06/09/2016] [Accepted: 06/11/2016] [Indexed: 05/08/2023]
Abstract
Fallout radionuclides, 7Be and 210Pbex, sampled in bed sediment for 99 watersheds in the Midwestern region of the United States and in 15 samples of suspended sediment from 3 of these watersheds were used to partition upland from channel sources and to estimate the age or the time since the surface-derived portion of sediment was on the land surface (0-∼1 year). Channel sources dominate: 78 of the 99 bed material sites (79%) have >50% channel-derived sediment, and 9 of the 15 suspended-sediment samples (60%) have >50% channel-derived sediment. 7Be was detected in 82 bed sediment samples and all 15 suspended-sediment samples. The surface-derived portion of 54 of the 80 (68%) streams with detectable 7Be and 210Pbex were ≤ 100 days old and the surface-derived portion of all suspended-sediment samples were ≤ 100 days old, indicating that surface-derived fine-grained sediment moves rapidly though these systems. The concentrations of two hydrophobic pesticides-DDE and bifenthrin-are correlated with the proportion of surface-derived sediment, indicating a link between geomorphic processes and particle-associated contaminants in streams. Urban areas had the highest pesticide concentrations and the largest percentage of surface-derived sediment. Although the percentage of surface-derived sediment is less than channel sources at most of the study sites, the relatively young age of the surface-derived sediment might indicate that management actions to reduce sediment contamination where the land surface is an important source could have noticeable effects.
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Affiliation(s)
- Allen C Gellis
- U.S. Geological Survey, Maryland-Delaware-DC Water Science Center, Baltimore, MD 21228 USA.
| | | | - Peter C Van Metre
- U.S. Geological Survey, Texas Water Science Center, Austin, TX 78754 USA
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Collins AL, Foster IDL, Gellis AC, Porto P, Horowitz AJ. Sediment source fingerprinting for informing catchment management: Methodological approaches, problems and uncertainty. J Environ Manage 2017; 194:1-3. [PMID: 28390474 DOI: 10.1016/j.jenvman.2017.03.026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Affiliation(s)
- A L Collins
- Sustainable Soils and Grassland Systems Department, Rothamsted Research, Okehampton EX20 2SB, UK
| | - I D L Foster
- Geography Department, Rhodes University, Grahamstown, 6140, South Africa; Faculty of Arts, Science & Technology, University of Northampton, Northampton NN2 6JD, UK
| | - A C Gellis
- U.S. Geological Survey, Baltimore, MD 21228, USA
| | - P Porto
- Department of Agraria, University Mediterranea of Reggio Calabria, Italy
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Williamson TN, Christensen VG, Richardson WB, Frey JW, Gellis AC, Kieta KA, Fitzpatrick FA. Stream Sediment Sources in Midwest Agricultural Basins with Land Retirement along Channel. J Environ Qual 2014; 43:1624-1634. [PMID: 25603248 DOI: 10.2134/jeq2013.12.0521] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Documenting the effects of agricultural land retirement on stream-sediment sources is critical to identifying management practices that improve water quality and aquatic habitat. Particularly difficult to quantify are the effects from conservation easements that commonly are discontinuous along channelized streams and ditches throughout the agricultural midwestern United States. Our hypotheses were that sediment from cropland, retired land, stream banks, and roads would be discernible using isotopic and elemental concentrations and that source contributions would vary with land retirement distribution along tributaries of West Fork Beaver Creek in Minnesota. Channel-bed and suspended sediment were sampled at nine locations and compared with local source samples by using linear discriminant analysis and a four-source mixing model that evaluated seven tracers: In, P, total C, Be, Tl, Th, and Ti. The proportion of sediment sources differed significantly between suspended and channel-bed sediment. Retired land contributed to channel-bed sediment but was not discernible as a source of suspended sediment, suggesting that retired-land material was not mobilized during high-flow conditions. Stream banks were a large contributor to suspended sediment; however, the percentage of stream-bank sediment in the channel bed was lower in basins with more continuous retired land along the riparian corridor. Cropland sediments had the highest P concentrations; basins with the highest cropland-sediment contributions also had the highest P concentrations. Along stream reaches with retired land, there was a lower proportion of cropland material in suspended sediment relative to sites that had almost no land retirement, indicating less movement of nutrients and sediment from cropland to the channel as a result of land retirement.
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