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Saturday, May 9, 2020 | History

2 edition of Streamflow characteristics at hydrologic bench-mark stations found in the catalog.

Streamflow characteristics at hydrologic bench-mark stations

C. L. Lawrence

Streamflow characteristics at hydrologic bench-mark stations

by C. L. Lawrence

  • 327 Want to read
  • 7 Currently reading

Published by U.S. Geological Survey in Washington, DC .
Written in English

    Subjects:
  • Stream measurements -- United States

  • Edition Notes

    Statementby C.L. Lawrence.
    SeriesU.S. Geological Survey circular -- 941
    Classifications
    LC ClassificationsUSGSCIRC941 1987
    The Physical Object
    Paginationv, 123 p. :
    Number of Pages123
    ID Numbers
    Open LibraryOL22073431M
    LC Control Number87-600448

    FPS are monitoring stations that track the amount of water in streams and rivers across the Nation to meet long-term federal information needs. They are strategically positioned to serve as a backbone for the larger National Streamflow Network that is operated in cooperation with over 1, federal, state, tribal, and local agencies. Flooding is the most widespread hydrologic hazard in the United States and throughout the world. A recent compilation of data on events leading to declarations of disasters under the Stafford Disaster Relief and Emergency Assistance Act indicates that of the declarations during the period December to May , one-third were due to flooding (Godschalk et al., ).

    Thematic GIS Data Sets for Water Resources Many USGS studies of water resources have used a Geographic Information System (GIS) to produce digital geospatial data sets for a wide variety of water topics. Themes include basic hydrologic data as well as ancillary data to support hydrologic studies. National Coverages. Benchmark Stations. Part National Engineering Handbook Chapter 5 Stream Hydrology 5–ii (–VI–NEH, August ) Tables Table 5–1 Sensitivity analysis on gage record, Willow Creek case 5–8 study Table 5–2 K-values for the Gumbel extreme value distribution 5–12 Table 5–3 K-values for the log-Pearson type III distribution 5–13 Table 5–4 Discharge peaks, with basic statistics 5–

    Students use the USGS streamflow database to download measured stages and flow data. Working with these data, students use Excel to create several plots, including a stage-discharge rating curve. Students repeat this activity with an urban and a rural watershed to consider seasonal trends and land use effects. Get this from a library! Environmental characteristics and water quality of hydrologic benchmark network stations in the midwestern United States, [M Alisa Mast; John T Turk].


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Streamflow characteristics at hydrologic bench-mark stations by C. L. Lawrence Download PDF EPUB FB2

This interim report describes streamflow characteristics at each bench-mark site and identifies time trends in annual streamflow that have occurred during the data-collection period. The streamflow characteristics presented for each streamflow station are (1) flood and low-flow frequencies, (2) flow duration, (3) annual mean flow, and (4) the serial correlation coefficient for annual mean discharge.

STREAMFLOW CHARACTERISTICS AT HYDROLOGIC BENCH-MARK STATIONS By C. Lawrence ABSTRACT The Hydrologic Bench-Mark Network was established in the 's. Its objectives were to document the hydrologic characteristics of representative undeveloped watersheds na­ tionwide and to provide a comparative base for studying theCited by: 6.

Get this from a library. Streamflow characteristics at hydrologic bench-mark stations. [C L Lawrence; Geological Survey (U.S.)] -- See journals under US Geological survey.

Circular Author Lawrence, C. Title Streamflow characteristics at hydrologic bench-mark stations / by C.L. Lawrence. Format Online Resource Book Published.

Hydrologic Characteristics of Streamflow in the Southeast Atlantic and Gulf Coast Hydrologic Region during – and Conceptual Map of Potential Impacts Article (PDF Available) August. Streamflow is one the most important variables controlling and maintaining aquatic ecosystem integrity, diversity, and sustainability.

This study identified and quantified changes in 34 hydrologic characteristics and parameters at 30 long term (–) discharge stations in the Streamflow characteristics at hydrologic bench-mark stations book Atlantic and Gulf Coast Hydrologic Region (Region 3) using Indicators of Hydrologic Alteration (IHA Author: Aavudai Anandhi, Christy Crandall, Chance Bentley.

Streamflow Q estimation in ungauged catchments is one of the greatest challenges facing hydrologists. Observed Q from to small-to-medium-sized catchments (10–10 km 2) around the globe were used to train neural network ensembles to estimate Q characteristics based on climate and physiographic characteristics of the catchments.

In total, 17 Q characteristics were Cited by:   The “deficit-below-threshold” (DBT) method is applied to characterize low flows in terms of volume, duration and intensity at Canadian hydrometric stations. The volume, duration and intensity data series are fitted to six 2-parameter distributions, which are the generalized Pareto (gp), gamma, Weibull, log-logistic (llog), lognormal.

The latter highlights the need to benchmark both simulation and forecasting outputs from hydrological models, as done in this study, to fully understand and assess model performance. The raw ensemble streamflow forecasts show more skill than the deterministic (unperturbed GEFSRv2 member) forecasts across lead times of 1–7 by: 8.

1 Introduction. Streamflow is the volumetric discharge expressed in volume per unit time (typically cubic feet per second (ft3 /s) or cubic meters per second (m 3 /s)) that takes place in a stream or channel and varies in time and space. The streamflow characteristics of the stations are variable.

Some of the sites are dominated by steady ground-water flows, and others have snow-dominated hydrographs where a large part of the flow results from the melting of the annual snowpack. Given the selected streamflow characteristics and VIC model parameter sensitivity analysis by Demaria et al., three VIC parameters controlling the generation of surface and subsurface flow were selected for calibration (Table 1), including the variable infiltration curve parameter (b i), thickness of soil layer 2 (thick 2), and fraction of the maximum velocity of base flow at which nonlinear base flow Cited by: 1.

We use daily streamflow data from three gauging stations located within the study catchment (Lunz am See, Seebach, and Goestling, see Figure 2). An additional daily streamflow time series recorded at a nearby location (i.e., Opponitz) located downstream in the study network is also considered in the analysis, as explained in detail by: Reservoirs have been continuously built in the Poyang Lake Basin (PLB) for the local economy.

With pending removal and reconstruction of aging reservoirs and planning of new reservoirs in this area, it is advisable to evaluate the likely impact of the existing and alternative reservoir network layouts on the hydrologic regime for more effective water resources planning and management.

The Hydrologic Benchmark Network (HBN) consists of 37 watersheds that provide long-term measurements of streamflow and water quality in areas that are minimally affected by human activities.

In measurements of aquatic biology and soil chemistry were added to the network. The Watershed Characteristics Approach (WCA) is a hydrologic estimation model developed using a system-based approach focused on the regionalization of landscape characteristics to define unique.

SEASONAL AND REGIONAL CHARACTERISTICS OF U.S. STREAMFLOW TRENDS IN THE UNITED STATES FROM TO Harry F. Lins and James R. Slack U.S. Geological Survey National Center Reston, Virginia Abstract: J.

Mather () observed that ru noff (streamflow) constitutes a significant phase of the hydrologic cycle. Studying hydrologic characteristics Descriptions of hydrologic characteristics are usually defined for a particular location along the course of a stream or river.

Annual hydrographs are graphs that show changes in flow over the year at a specific location. Streamflow Generation Processes: Benchmark Papers in Hydrology (IAHS Series of Benchmark Papers in Hydrology) by Keith J.

Beven (Author) ISBN ISBN Why is ISBN important. ISBN. This bar-code number lets you verify that you're getting exactly the right version or edition of a book.

Author: Keith J. Beven. A hydrograph is a graph showing the rate of flow versus time past a specific point in a river, channel, or conduit carrying rate of flow is typically expressed in cubic meters or cubic feet per second (cms or cfs).

It can also refer to a graph showing the volume of water reaching a particular outfall, or location in a sewerage network. Graphs are commonly used in the design of.

Streamflow Analysis and a Comparison of Hydrologic Metrics in Urban Streams. by. Matthew Lawton Wood. A thesis submitted in partial fulfillment of the. requirements for the degree of. Master of Science. in. Geography. Thesis Committee: Heejun Chang, Chair. Martin Lafrenz.

Joseph Poracsky. Portland State University ©Author: Matthew Lawton Wood.The disaggregated streamflow from the first model explained 69% of the streamflow variance, compared to 71% when the hybrid model was used. Based on the results, the proposed hybrid model that uses both SST and a forecasted JJAS seasonal rainfall as predictors achieves a marginally better forecasting skill of the UBNB weekly streamflow.

Abstract. The dynamics of hydrologic systems are governed by the interactions between climate inputs and the landscape. Due to the spatial and temporal variability in climate inputs and the heterogeneity in the landscape, hydrologic systems exhibit a wide range of : Bellie Sivakumar, Bellie Sivakumar.