scholarly journals Surface-water quality in the Lycoming Creek watershed, north-central Pennsylvania, August 1–3, 2011

2018 ◽  
Author(s):  
Dennis W. Risser ◽  
Matthew D. Conlon
Keyword(s):  
Water Quality ◽  
Surface Water ◽  
Surface Water Quality ◽  
North Central ◽  
Creek Watershed ◽  
Central Pennsylvania

Enhanced Prairie Wetland Effects on Surface Water Quality in Crowfoot Creek, Alberta

2003 ◽  
Vol 38 (2) ◽  
pp. 335-359 ◽  
Author(s):  
Gerald R. Ontkean ◽  
David S. Chanasyk ◽  
Sandi Riemersma ◽  
D. Rodney Bennett ◽  
Jerry M. Brunen
Keyword(s):  
Water Quality ◽  
Surface Water ◽  
Surface Water Quality ◽  
Nutrient Status ◽  
Nutrient Concentrations ◽  
Prairie Wetland ◽  
Spring Runoff ◽  
Creek Watershed ◽  
Decomposition Of Organic Matter ◽  
Waterfowl Habitat

Abstract A three-year study was conducted to examine the effects of a prairie wetland enhanced for waterfowl habitat on surface water quality in the Crowfoot Creek watershed in southern Alberta, Canada. Monitoring was carried out at the Hilton wetland from mid-March to the end of October in 1997 to 1999 at two inflow sites and one outflow site. Data were collected on flow, total phosphorus (TP), total nitrogen (TN), total suspended solids (TSS), and fecal coliform (FC) bacteria. Nutrient concentrations were highest in the spring, and decreased during the remainder of the monitoring period each year. Nutrient concentrations did not change significantly within the wetland due to the form of nutrient, reduced retention times for nutrient uptake, and the addition of nutrients to the water through sediment release and decomposition of organic matter. The wetland acted as both a source and a sink for nutrients, depending on flow volumes. TSS concentrations decreased significantly from inflow to outflow, indicating sedimentation occurred in the wetland. FC bacteria levels were lowest in the spring and increased during the post-spring runoff (PSRO) period. FC bacteria counts decreased significantly within the wetland throughout the entire year. The Hilton wetland was effective in reducing the amounts of TSS and FC bacteria exported from the wetland; however, there was no significant change in nutrient status.

Surface water quality in a sulfide mineral-rich arid zone in North-Central Chile: Learning from a complex past, addressing an uncertain future

2016 ◽  
Vol 31 (3) ◽  
pp. 498-513 ◽  
Author(s):  
Mauricio Flores ◽  
Jorge Núñez ◽  
Jorge Oyarzún ◽  
Gustavo Freixas ◽  
Hugo Maturana ◽  
...  
Keyword(s):  
Water Quality ◽  
Surface Water ◽  
Arid Zone ◽  
Surface Water Quality ◽  
Sulfide Mineral ◽  
North Central ◽  
Central Chile ◽  
Uncertain Future
Sign in / Sign up

Export Citation Format

Share Document