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Delayed Impact Calculator


A newer version of this resource https://doi.org/10.4211/hs.6b35719ca1614c118fbbf12a8002f6f7 is available that replaces this version.
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Created: Dec 17, 2019 at 1:11 a.m.
Last updated: Jul 22, 2020 at 5:27 p.m. (Metadata update)
Published date: Apr 30, 2020 at 7:50 p.m.
DOI: 10.4211/hs.961b2720ba8142fab64d69d6cf5a2d57
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Sharing Status: Published
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Abstract

This calculator is an Excel workbook programmed with Visual Basic for Applications macro code to perform finite-difference computations for assessment of attenuation and delay dynamics of stream-aquifer system response to groundwater impulse time series input. The tool is intended to estimate impact accrual schedules for well-induced stream depletion or for groundwater return flow scenarios. Single impulse, uniform series, variable series, and annual pattern impulse type options facilitate streamlined input and analysis of a diverse range of occurrence and usage patterns, including intermittent pumping. Segregation of response output by stream reach gives location-specific insight useful to surface water administration. Tidy secondary output options include cumulative ratio, response ratio, and period ratios of response to impulse. The workbook (.xlsm) is accompanied by an instruction manual (.pdf) and a version in Spanish (.xlsm).

La calculadora ofrece las mismas habilidades como el Delayed Impact Calculator original en inglés, sino en español. Es un cuaderno de Excel, programado con código de macro de Básico Visual para Aplicaciones para hacer computaciones de diferencia finita para evaluación de dinámicas de atenuación y demora de respuesta de sistemas río-acuífero a datos de entrada de serie de tiempo de impulso al agua subterránea. La herramienta tiene intención de aproximar a horarios de llegada al río de impactos de escenarios de merma de río inducido por bombeo de pozos o de flujo de retorno de agua subterránea. Opciones de tipo de impulso de impulso solo, serie uniforme, serie variable, y horario anual facilitan entrada de datos racionalizada y análisis de diversos horarios de acontecimiento y uso. Segregación de salida de datos de respuesta por segmento de río da entendimiento e información específica por ubicación. Opciones ordenados de salida de datos secundarios incluyen a proporción acumulativa, proporción de respuesta, y proporción de periodo en términos de respuesta contra impulso. Viene como cuaderno con macro (.xlsm).

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Related Resources

This resource has been replaced by a newer version Robinson, S. C. (2020). Delayed Impact Calculator, HydroShare, https://doi.org/10.4211/hs.6b35719ca1614c118fbbf12a8002f6f7
The content of this resource is derived from Robinson, S. C. 2020. "Well-induced stream depletion and groundwater return flow: estimating impact schedules with a finite-difference spreadsheet." J. Water Resour. Plann. Manage., 146(7). https://doi.org/10.1061/(ASCE)WR.1943-5452.0001230

How to Cite

Robinson, S. C. (2020). Delayed Impact Calculator, HydroShare, https://doi.org/10.4211/hs.961b2720ba8142fab64d69d6cf5a2d57

Creator retains copyright, distributes tool for free with license to make, keep, and use one copy per computer.

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