Model:DRYP

DRYP

Also known as
Model type	Single
Model part of larger framework
Note on status model
Date note status model

Incorporated models or components:

Spatial dimensions	2D
Spatial extent	Regional-Scale, Landscape-Scale
Model domain	Terrestrial, Hydrology
One-line model description	DRYP is a parsimonious distributed hydrological model for dryland regions that simulates water balance partitioning including ephemeral streamflow, transmission losses, and groundwater recharge with minimal data requirements.
Extended model description	DRYP is a parsimonious distributed hydrological model specifically designed to simulate the water balance in dryland regions, where water scarcity and episodic rainfall make conventional hydrological models inadequate. It captures the key processes governing water partitioning in these environments, including spatially restricted rainfall, high evaporation rates, ephemeral streamflow, transmission losses, focused groundwater recharge, and soil moisture dynamics, while keeping data requirements deliberately low. Validated against streamflow, evapotranspiration, and soil moisture observations at the Walnut Gulch Experimental Watershed, it achieved Nash-Sutcliffe efficiencies of around 0.7 for streamflow and soil moisture and above 0.6 for evapotranspiration.

Keywords:	Dryland hydrology, Water balance partitioning, Ephemeral streamflow,

Name	Andrés Quichimbo
Type of contact	Model developer
Institute / Organization	Cardiff University
Postal address 1
Postal address 2
Town / City	Cardiff
Postal code	CF10 3AT
State
Country	United Kingdom
Email address	quichimbomiguitamaea@cardiff.ac.uk
Phone
Fax

Supported platforms	Unix, Linux, Mac OS, Windows
Other platform
Programming language	Python
Other program language
Code optimized	Single Processor
Multiple processors implemented
Nr of distributed processors
Nr of shared processors
Start year development	2020
Does model development still take place?	No
If above answer is no, provide end year model development	2021
Code development status	As is, no updates are provided
When did you indicate the 'code development status'?	2026
Model availability	As code
Source code availability (Or provide future intension)	Through web repository
Source web address	https://github.com/AndresQuichimbo/DRYP
Source csdms web address
Program license type	Other
Program license type other	--
Memory requirements	--
Typical run time	--

Describe input parameters	Precipitation and potential evapotranspiration, DEM, land cover, soil hydraulic properties, etc.
Input format	Binary
Other input format
Describe output parameters	actual evapotranspiration, soil moisture, surface runoff, streamflow, transmission losses, diffuse recharge, focused recharge, groundwater head/water table depth, and baseflow. Time series of fluxes at specified outlet points can also be written as ASCII text files.
Output format	ASCII, Binary
Other output format
Pre-processing software needed?	No
Describe pre-processing software
Post-processing software needed?	No
Describe post-processing software
Visualization software needed?	No
If above answer is yes
Other visualization software

Describe processes represented by the model	See: Quichimbo, E. A., Singer, M. B., Michaelides, K., Hobley, D. E., Rosolem, R., & Cuthbert, M. O. (2021). DRYP 1.0: a parsimonious hydrological model of DRYland Partitioning of the water balance. Geoscientific Model Development, 14(11), 6893-6917.
Describe key physical parameters and equations	See: Quichimbo, E. A., Singer, M. B., Michaelides, K., Hobley, D. E., Rosolem, R., & Cuthbert, M. O. (2021). DRYP 1.0: a parsimonious hydrological model of DRYland Partitioning of the water balance. Geoscientific Model Development, 14(11), 6893-6917.
Describe length scale and resolution constraints	--
Describe time scale and resolution constraints	--
Describe any numerical limitations and issues	--

Describe available calibration data sets
Upload calibration data sets if available:
Describe available test data sets
Upload test data sets if available:
Describe ideal data for testing

Do you have current or future plans for collaborating with other researchers?

Is there a manual available?	No
Upload manual if available:
Model website if any
Model forum / discussion board

Comments

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Model info

Authors

Andrés Quichimbo

Source code

DOI

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Featured reference(s)	Open Access Status	Year	Type of Reference	Cited
Quichimbo, E. Andrés; Singer, Michael Bliss; Michaelides, Katerina; Hobley, Daniel E. J.; Rosolem, Rafael; Cuthbert, Mark O.; 2021. DRYP 1.0: a parsimonious hydrological model of DRYland Partitioning of the water balance. Geoscientific Model Development, 146893–6917. 10.5194/gmd-14-6893-2021	cc-by · publishedVersion	2021	a module overview describing a module	34