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swcEcon  

Economic Analysis of Soil and Water Conservation Measures in Watersheds
View on CRAN: Click here


Download and install swcEcon package within the R console
Install from CRAN:
install.packages("swcEcon")

Install from Github:
library("remotes")
install_github("cran/swcEcon")

Install by package version:
library("remotes")
install_version("swcEcon", "0.1.0")



Attach the package and use:
library("swcEcon")
Maintained by
Sadikul Islam
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2026-04-16
Latest Update: 2026-04-16
Description:
Provides functions and benchmark datasets for the economic appraisal of soil and water conservation (SWC) measures in watershed development projects. Implements benefit-cost ratio (BCR), net present value (NPV), internal rate of return (IRR) via the bisection method of Brent (1973, ISBN:9780130223715), modified BCR, marginal rate of return using the CIMMYT (1988, ISBN:9686127127) method, payback period, soil loss economic valuation via the Universal Soil Loss Equation of Wischmeier and Smith (1978, ISBN:0160016258), groundwater recharge valuation, employment generation ratio, sensitivity analysis, switching value analysis, and Monte Carlo simulation. Six datasets are included: state-wise BCR benchmarks from NABARD (2019) watershed evaluations, USLE erodibility parameters for Indian soil orders from NBSS and LUP, rainfall erosivity for twenty Indian districts from IMD data, SWC unit cost norms from PMKSY-WDC (GoI 2015), and two hypothetical datasets for illustration. Methods follow Gittinger (1982, ISBN:9780801825439) and Squire and van der Tak (1975, ISBN:9780801816697).
How to cite:
Sadikul Islam (2026). swcEcon: Economic Analysis of Soil and Water Conservation Measures in Watersheds. R package version 0.1.0, https://cran.r-project.org/web/packages/swcEcon. Accessed 24 Oct. 2026.
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