2 edition of Groundwater contributions to baseflow in the Merced River found in the catalog.
Groundwater contributions to baseflow in the Merced River
Published
2008
by California Energy Commission in [Sacramento, Calif.]
.
Written in English
Edition Notes
| Statement | prepared for California Energy Commission, Public Interest Energy Research Program ; prepared by University of California, Merced ; [prepared by Martha H. Conklin and Fengjing Liu]. |
| Contributions | Conklin, Martha H., Liu, Fengjing., California Energy Commission. Public Interest Energy Research., University of California, Merced. |
| Classifications | |
|---|---|
| LC Classifications | GB1025.C2 G78 2008 |
| The Physical Object | |
| Pagination | vi, 36 p. : |
| Number of Pages | 36 |
| ID Numbers | |
| Open Library | OL23993576M |
| LC Control Number | 2008397388 |
The estimated groundwater flow is consistent with previous estimates of 64 and 76 L-s −1 per river km (Zamora et al. ) and 56 and L-s −1 per river km (Phillips et al. ), which were calculated using mass balance by: 1. Wolverton water balance instrument cluster & hydrologic modeling, Marble Fork of Kaweah River, Sequoia National Park; Groundwater & baseflow contributions to Merced River San Joaquin Virtual Observatory; Sierra Nevada Hydrologic Observatory, 2-pager.
The Merced River (/ m ɜːr ˈ s ɛ d /), in the central part of the U.S. state of California, is a mile ( km)-long tributary of the San Joaquin River flowing from the Sierra Nevada into the San Joaquin is most well known for its swift and steep course through the southern part of Yosemite National Park, where it is the primary watercourse flowing through Yosemite : El Portal, Livingston. Groundwater levels below the Cosumnes River are currently as low as 55 ft below the river channel, resulting in a hydraulic disconnection between much of the river and the regional aquifer. Most of the lower river does not receive baseflow contributions and the river is in effluent or losing conditions. The hydraulic disconnection.
• Streamflow in the upper Merced River is primarily composed of overland flow, shallow subsurface flow and groundwater, even during the low flow season from August to October (baseflow ≠ groundwater). • Snow water equivalent (SWE) in spring significantly affects the contribution of overland flow, but does not necessarily affect that of. Abstract. To better understand the potential effects of restoration flows on existing drainage problems, anticipated as a result of the San Joaquin River Restoration Program (SJRRP), the U.S. Geological Survey (USGS), in cooperation with the U.S. Bureau of Reclamation (Reclamation), developed a groundwater flow model (SJRRPGW) of the SJRRP .
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During base flow Rn activity in the Merced River is above cpm; whereas Rn activity is groundwater contribution during base flow.
A plot of δD verses δ 18 O shows that water samples fall along the global meteoric water line (GMWL) with little to no evaporation (Figure 3).Cited by: Overall, the groundwater contribution in surface waters was 14 to 24% higher in post flood conditions than during the other three surveys of baseflow and moderate flow conditions.
High-Cl- groundwater was observed in El Portal groundwater, a spring at the top of Yosemite Valley, and the Merced River during baseflow. Although its contributions to stream flow is lowest compared to other endmembers, its flow rates are more stable.
Low-Cl- groundwater is characterized by 3H/3He ages between 7 and 28 yrs, % premodern water, and 4HeRAD Author: Glenn David Shaw. Upstream and downstream of the springs, the source of baseflow is composed of waters containing SF6 and CFCs from local-scale groundwater sources adjacent to the river.
Within 1 km of the river, a. simulate groundwater flow in the Lower San Pedro River basin, with a focus on the impacts of groundwater withdrawal and surface water diversion on the river and the riparian habitat after when the widespread use of high-powered hydraulic lift pumps in farming and mining increased.
Increased pumping has lowered water tablesFile Size: KB. Don River Watershed Plan: Baseflow and Water Use Assessment – Report on Current Conditions Toronto and Region Conservation CFN: 5 Don River Watershed Water Budget Modeling A common approach to developing a better File Size: 3MB.
Concentration‐discharge follows a power or a semilogarithmic function and two to three end‐members dominate streamflow in mid‐Merced River; Fractional end‐member contributions with streamflow follow the same C‐Q relation of conservative solutes as a.
The Merced Subbasin GSA adopted the Merced Groundwater Sustainability Plan on December 9,following a public hearing. Following adoption by all three GSA’s in the Merced Subbasin, the GSP submitted to the California Department of Water Resources by the Janu deadline.
Groundwater is an essential resource for agricultural, municipal, industrial, and domestic uses within the county; and 4. The mining of groundwater resources from within the county and the export of groundwater from inside Merced County to outside of the respective.
Abstract. Environmental heterogeneity is ubiquitous, but environmental systems are often analyzed as if they were homogeneous instead, resulting in aggregation errors that are rarely explored and almost never quantified.
Here I use simple benchmark tests to explore this general problem in one specific context: the use of seasonal cycles in chemical or isotopic Cited by: Two components controlling baseflow (streamflow from August to October) in the Upper Merced River were identified: shallow subsurface runoff from snowmelt infiltration and groundwater from fractured : F.
Liu, M. Conklin, G. Shaw, R. Bales, M. Conrad, R. Rice. Quantifying distributed lateral groundwater contributions to surface water (GW-SW discharges) is a key aspect of tracking nonpoint-source pollution (NPSP) within a watershed.
In this study, we characterized distributed GW-SW discharges and associated salt loading using elevated GW specific conductance (SC) as a tracer along a 38 km reach of the Lower Merced River Cited by: 6. Andrés Peralta‐Tapia, Ryan A. Sponseller, Anneli Ågren, Doerthe Tetzlaff, Chris Soulsby and Hjalmar Laudon, Scale‐dependent groundwater contributions influence patterns of winter baseflow stream chemistry in boreal catchments, Journal of Geophysical Research: Biogeosciences,5, (), ().
San Joaquin River Hydrologic Region California’s Groundwater San Joaquin Valley Groundwater Basin Bulletin Last update 2/27/04 stored groundwater in this subbasin as of is 37, af to a depth of.
Surface water, snow, groundwater, and springs were sampled seasonally from July to October Snow 36Cl/Cl ratios are times lower than in the Merced River water, but 36Cl/Cl ratios in the river increase times from baseflow to the snowmelt season.
Aggregation and scaling of baseflow dynamics and groundwater contributions Traditional assumptions in tracer hydrology approaches such as end member mixing and their incorporation in catchment-scale rainfall-runoff models assume well mixed sources of runoff in different water stores (Brooks et al.,Birkel et al., a).Cited by: Groundwater contributions to baseflow in the Merced River: processes, flow paths, and residence times: Cover title.
"January " Energy Commission pub. no.: CEC Prepared under contract no. Includes bibliographical references (p.
Also available online. Date: High-Cl- groundwater was observed in El Portal groundwater, a spring at the top of Yosemite Valley, and the Merced River during baseflow. Although its contributions to stream flow is lowest compared to other endmembers, its flow rates are more by: 1.
Although river nitrate concentrations under high flow conditions are often elevated compared to those under baseflow conditions, and under certain hydrogeological conditions groundwater discharging to rivers under high flow conditions may be derived from shallow flow paths with high nitrate concentrations (Dahl et al., ), the relative Cited by: Merced River From its source on the south side of Mount Lyell at 13, feet, through a glacially carved canyon within Yosemite National Park, the river flows downstream to Lake McClure Reservoir.
The Merced, including the South Fork, flows through exceptional scenery—glaciated peaks, lakes and alpine and subalpine meadows—in alternating. Colorado River Hydrologic Region California’s Groundwater Twentynine Pines Valley Groundwater Basin Bulletin Last update 2/27/04 Twentynine Palms Valley Groundwater Basin • Groundwater Basin Number: • County: San Bernardino • Surface Area: 62, acres ( square miles) Basin Boundaries and Hydrology File Size: 29KB.Both soil water in the unsaturated zone and regional groundwater were not significant contributors to streamflow.
The contributions of snowmelt runoff and subsurface flow, when expressed as discharge, were linearly correlated with streamflow discharge (R 2 of –). These results suggest that subsurface flow is generated from the soil Cited by: 4.
The model predicted that perched groundwater within the study area provided 0 to 7 m3/d of baseflow to the river; however, baseflow contributions declined shortly following the decline of inflow upstream of the study area (early June). Decline of perched aquifer.
