# \#seasonal-water-yield

**URL:** https://community.naturalcapitalalliance.org/tag/seasonal-water-yield/5.md

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## [InVEST SWY Model Taking Over 14 Hours for Large Study Area](https://community.naturalcapitalalliance.org/t/invest-swy-model-taking-over-14-hours-for-large-study-area/6520)

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**Author:** [@lingling](https://community.naturalcapitalalliance.org/u/lingling)\
**Replies:** 1\
**Last updated:** [October 15, 2026, 5:13pm UTC](https://community.naturalcapitalalliance.org/t/invest-swy-model-taking-over-14-hours-for-large-study-area/6520 "2026-10-15T17:13:11Z")

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Hey software team, I’m running the InVEST Seasonal Water Yield (SWY) model for Uganda at 30 m resolution, and it has been running for over 14 hours. The quickflow (QF) and local recharge (L) rasters were generated appr…

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## [Seasonal Water Yield climate input format](https://community.naturalcapitalalliance.org/t/seasonal-water-yield-climate-input-format/6481)

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**Author:** [@sreejita2608](https://community.naturalcapitalalliance.org/u/sreejita2608)\
**Replies:** 1\
**Last updated:** [July 20, 2026, 1:36pm UTC](https://community.naturalcapitalalliance.org/t/seasonal-water-yield-climate-input-format/6481 "2026-07-20T13:36:04Z")

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Hi all, I have been trying to use the Seasonal Water Yield model (SWY). Previously, when I used the input data for precipitation and ET0 was in raster format, I now see that they require CSV files. I tried to look in th…

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## [Seasonal Water Yield and 8 bit signed rasters](https://community.naturalcapitalalliance.org/t/seasonal-water-yield-and-8-bit-signed-rasters/1424)

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**Author:** [@swolny](https://community.naturalcapitalalliance.org/u/swolny)\
**Replies:** 3\
**Last updated:** [October 20, 2020, 6:25pm UTC](https://community.naturalcapitalalliance.org/t/seasonal-water-yield-and-8-bit-signed-rasters/1424 "2020-10-20T18:25:39Z")

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Hey y’all - It looks like InVEST is still having problems with 8 bit signed rasters in version 3.8.9. This time we’re using Seasonal Water Yield and running into two related issues. 1/ The climate zone raster is 8 bit …

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## [Water Yield Models to support economic analysis](https://community.naturalcapitalalliance.org/t/water-yield-models-to-support-economic-analysis/6457)

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**Author:** [@gbf22](https://community.naturalcapitalalliance.org/u/gbf22)\
**Replies:** 3\
**Last updated:** [July 14, 2026, 1:42pm UTC](https://community.naturalcapitalalliance.org/t/water-yield-models-to-support-economic-analysis/6457 "2026-07-14T13:42:01Z")

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I’m interested in calculating the total water savings (stored in freshwater features or groundwater recharge) from planting 1000HA forest. Then I would multiply water savings x shadow price (or tariff) to approximate the…

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## [Seasonal Water Yield Stream Issues](https://community.naturalcapitalalliance.org/t/seasonal-water-yield-stream-issues/6423)

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**Author:** [@Livia](https://community.naturalcapitalalliance.org/u/Livia)\
**Replies:** 7\
**Last updated:** [June 10, 2026, 12:58pm UTC](https://community.naturalcapitalalliance.org/t/seasonal-water-yield-stream-issues/6423 "2026-06-10T12:58:00Z")

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The model does not create the correct streams. There are sharp diagonal shards on the maps that should not be there. InVEST-seasonal\_water\_yield-log-2026-06-04–10\_20\_51.txt (82.8 KB) I have tried different DEM’s, highe…

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## [Soil Hydrologic Groups in seasonal water yield model, for Brazil](https://community.naturalcapitalalliance.org/t/soil-hydrologic-groups-in-seasonal-water-yield-model-for-brazil/5702)

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**Author:** [@Lisiane](https://community.naturalcapitalalliance.org/u/Lisiane)\
**Replies:** 4\
**Last updated:** [May 19, 2026, 8:20am UTC](https://community.naturalcapitalalliance.org/t/soil-hydrologic-groups-in-seasonal-water-yield-model-for-brazil/5702 "2026-05-19T08:20:30Z")

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I would like to know if there is another database available on Hydrological Soil Groups for Brazil. I am using HYSOGs250m, due to the resolution, only one soil type is displayed.

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## [Local Recharge output missing](https://community.naturalcapitalalliance.org/t/local-recharge-output-missing/6335)

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**Author:** [@as1252](https://community.naturalcapitalalliance.org/u/as1252)\
**Replies:** 10\
**Last updated:** [February 10, 2026, 11:00pm UTC](https://community.naturalcapitalalliance.org/t/local-recharge-output-missing/6335 "2026-02-10T23:00:27Z")

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Hey there :slight\_smile: I have a question, I am running the SWY model and I have been checking the output files, but somehow I do not get any tif-file for L\_\[Suffix\].tif (type: raster; units: mm, but should be interpre…

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## [Using PET instead of ET0](https://community.naturalcapitalalliance.org/t/using-pet-instead-of-et0/6342)

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**Author:** [@Kleber](https://community.naturalcapitalalliance.org/u/Kleber)\
**Replies:** 0\
**Last updated:** [February 2, 2026, 8:33pm UTC](https://community.naturalcapitalalliance.org/t/using-pet-instead-of-et0/6342 "2026-02-02T20:33:25Z")

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Hello everyone! I hope you are all well. I intend to compare Seasonal Water Yield results between different decades and am using data available on worldclim between 1960-1990 and 1970-2000. However, I couldn’t find ET0…

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## [Precipitation and evapotranspiration data length for applying the InVEST SWY model in southern Chile](https://community.naturalcapitalalliance.org/t/precipitation-and-evapotranspiration-data-length-for-applying-the-invest-swy-model-in-southern-chile/6318)

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**Author:** [@Fernanda](https://community.naturalcapitalalliance.org/u/Fernanda)\
**Replies:** 1\
**Last updated:** [January 12, 2026, 6:04pm UTC](https://community.naturalcapitalalliance.org/t/precipitation-and-evapotranspiration-data-length-for-applying-the-invest-swy-model-in-southern-chile/6318 "2026-01-12T18:04:24Z")

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I am currently conducting my master’s thesis, which aims to explore how the integration of spatially explicit ecosystem services modeling and their socio-cultural valuation can support decision-making in local territoria…

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## [Alternatives for downscaling worldclim data](https://community.naturalcapitalalliance.org/t/alternatives-for-downscaling-worldclim-data/6222)

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**Author:** [@Kleber](https://community.naturalcapitalalliance.org/u/Kleber)\
**Replies:** 2\
**Last updated:** [October 3, 2025, 10:34pm UTC](https://community.naturalcapitalalliance.org/t/alternatives-for-downscaling-worldclim-data/6222 "2025-10-03T22:34:36Z")

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Hello, everyone! I am running the Seasonal Water Yield model for a very large area in Brazil that contains several basins. I reprojected the 1000x1000-meter evapotranspiration and precipitation rasters from Wordclim to…

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## [SWY - monthly local recharge values](https://community.naturalcapitalalliance.org/t/swy-monthly-local-recharge-values/6153)

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**Author:** [@as1252](https://community.naturalcapitalalliance.org/u/as1252)\
**Replies:** 4\
**Last updated:** [August 21, 2025, 3:13pm UTC](https://community.naturalcapitalalliance.org/t/swy-monthly-local-recharge-values/6153 "2025-08-21T15:13:23Z")

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Hello there :slight\_smile: I am currently working with the seasonal water yield model and I am trying to compare the local recharge output values with groundwater recharge values from another ressource. I know the value…

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## [Observation While Creating Layouts – Seasonal Data Quality](https://community.naturalcapitalalliance.org/t/observation-while-creating-layouts-seasonal-data-quality/6158)

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**Author:** [@abir](https://community.naturalcapitalalliance.org/u/abir)\
**Replies:** 2\
**Last updated:** [August 18, 2025, 10:45pm UTC](https://community.naturalcapitalalliance.org/t/observation-while-creating-layouts-seasonal-data-quality/6158 "2025-08-18T22:45:07Z")

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While preparing my map layouts for the InVEST model outputs, I noticed a few interesting differences in the seasonal data. For post-monsoon 2007, the river streams are not appearing properly in the output, which affects …

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## [Seasonal QF Sum Greater Than Annual QF in InVEST Output](https://community.naturalcapitalalliance.org/t/seasonal-qf-sum-greater-than-annual-qf-in-invest-output/6152)

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**Author:** [@abir](https://community.naturalcapitalalliance.org/u/abir)\
**Replies:** 2\
**Last updated:** [August 13, 2025, 5:17pm UTC](https://community.naturalcapitalalliance.org/t/seasonal-qf-sum-greater-than-annual-qf-in-invest-output/6152 "2025-08-13T17:17:06Z")

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I am working with QuickFlow (QF) outputs from the InVEST Seasonal Water Yield model. I have 12 monthly QF raster outputs as well as an annual QF raster produced by the model. My goal is to create seasonal QF rasters fo…

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## [Analyzing Spatio-Temporal Drivers of Water Yield Using InVEST SWY and Machine Learning – Need Feedback on Factor Selection](https://community.naturalcapitalalliance.org/t/analyzing-spatio-temporal-drivers-of-water-yield-using-invest-swy-and-machine-learning-need-feedback-on-factor-selection/6096)

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**Author:** [@abir](https://community.naturalcapitalalliance.org/u/abir)\
**Replies:** 10\
**Last updated:** [July 28, 2025, 8:32pm UTC](https://community.naturalcapitalalliance.org/t/analyzing-spatio-temporal-drivers-of-water-yield-using-invest-swy-and-machine-learning-need-feedback-on-factor-selection/6096 "2025-07-28T20:32:58Z")

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Hi everyone, I’m currently working on a research project titled “Implementation of the InVEST model to assess seasonal and annual water yield in the Chambal and Subarnarekha River basins for improved water resource mana…

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## [Runoff field measures - Silvopasture land use](https://community.naturalcapitalalliance.org/t/runoff-field-measures-silvopasture-land-use/6106)

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**Author:** [@llamas\_m](https://community.naturalcapitalalliance.org/u/llamas_m)\
**Replies:** 0\
**Last updated:** [July 18, 2025, 5:48pm UTC](https://community.naturalcapitalalliance.org/t/runoff-field-measures-silvopasture-land-use/6106 "2025-07-18T17:48:07Z")

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Hello everyone! As part of a restoration program in Costa Rica North Caribbean region, I took measures of bulk density, porosity and saturated hydraulic conductivity (only superficial - that turned out to be quite limit…

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## [Interpretation of qb values in InVEST water yield model — is it normal to get negative values?](https://community.naturalcapitalalliance.org/t/interpretation-of-qb-values-in-invest-water-yield-model-is-it-normal-to-get-negative-values/6063)

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**Author:** [@jonathan.pierre](https://community.naturalcapitalalliance.org/u/jonathan.pierre)\
**Replies:** 6\
**Last updated:** [July 3, 2025, 5:41pm UTC](https://community.naturalcapitalalliance.org/t/interpretation-of-qb-values-in-invest-water-yield-model-is-it-normal-to-get-negative-values/6063 "2025-07-03T17:41:12Z")

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Hi all, I’m using the InVEST Seasonal Water Yield model and would like to use the qb output from the aggregated results shapefile to quantify the supply of the water yield ecosystem service. According to the documentat…

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## [Problem Statement: Seasonal Water Yield Model KeyError: 2.0 Despite Proper LULC and Biophysical Table Setup](https://community.naturalcapitalalliance.org/t/problem-statement-seasonal-water-yield-model-keyerror-2-0-despite-proper-lulc-and-biophysical-table-setup/6064)

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**Author:** [@abir](https://community.naturalcapitalalliance.org/u/abir)\
**Replies:** 18\
**Last updated:** [July 2, 2025, 2:00pm UTC](https://community.naturalcapitalalliance.org/t/problem-statement-seasonal-water-yield-model-keyerror-2-0-despite-proper-lulc-and-biophysical-table-setup/6064 "2025-07-02T14:00:10Z")

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I’m running the Seasonal Water Yield (SWY) model (InVEST version 3.16.0), and I’m encountering a persistent issue with the LULC classes and biophysical table lookup. :magnifying\_glass\_tilted\_left: What I did: My LULC r…

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## [Help Needed: Deriving Monthly Seasonal Water Yield Raster from InVEST Outputs (Baseflow + Quickflow)](https://community.naturalcapitalalliance.org/t/help-needed-deriving-monthly-seasonal-water-yield-raster-from-invest-outputs-baseflow-quickflow/6068)

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**Author:** [@abir](https://community.naturalcapitalalliance.org/u/abir)\
**Replies:** 1\
**Last updated:** [June 30, 2025, 3:10pm UTC](https://community.naturalcapitalalliance.org/t/help-needed-deriving-monthly-seasonal-water-yield-raster-from-invest-outputs-baseflow-quickflow/6068 "2025-06-30T15:10:30Z")

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Dear NatCap Community, I am working on a research project using the Seasonal Water Yield (SWY) model in the InVEST suite, focusing on the Chambal River Basin in India. The goal is to generate monthly raster maps of tota…

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## [Subject: Issue with Baseflow Raster Output – Request for Assistance](https://community.naturalcapitalalliance.org/t/subject-issue-with-baseflow-raster-output-request-for-assistance/6072)

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**Author:** [@abir](https://community.naturalcapitalalliance.org/u/abir)\
**Replies:** 1\
**Last updated:** [June 30, 2025, 2:56pm UTC](https://community.naturalcapitalalliance.org/t/subject-issue-with-baseflow-raster-output-request-for-assistance/6072 "2025-06-30T14:56:19Z")

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Dear Natural Capital Project Team, I hope this message finds you well. I am currently working with the InVEST Seasonal Water Yield model, and I am facing an issue with generating the baseflow raster output. Despite suc…

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## [ Issue with Baseflow and Local Recharge Output in InVEST Seasonal Water Yield Model](https://community.naturalcapitalalliance.org/t/issue-with-baseflow-and-local-recharge-output-in-invest-seasonal-water-yield-model/6080)

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**Author:** [@swarnajit25](https://community.naturalcapitalalliance.org/u/swarnajit25)\
**Replies:** 1\
**Last updated:** [June 30, 2025, 2:34pm UTC](https://community.naturalcapitalalliance.org/t/issue-with-baseflow-and-local-recharge-output-in-invest-seasonal-water-yield-model/6080 "2025-06-30T14:34:04Z")

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I am currently working on a project using the InVEST Seasonal Water Yield model, and I have encountered an issue regarding the output raster. While the Quick Flow output appears to be correct and matches expectations, th…

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## [Incorrect output of base flow and quick flow](https://community.naturalcapitalalliance.org/t/incorrect-output-of-base-flow-and-quick-flow/6077)

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**Author:** [@abir](https://community.naturalcapitalalliance.org/u/abir)\
**Replies:** 0\
**Last updated:** [June 30, 2025, 9:16am UTC](https://community.naturalcapitalalliance.org/t/incorrect-output-of-base-flow-and-quick-flow/6077 "2025-06-30T09:16:54Z")

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I am currently working on a project using the InVEST Seasonal Water Yield model, and I have encountered an issue regarding the output rasters. While the Quick Flow output appears to be correct and matches expectations, t…

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## [Analysis using field measurements](https://community.naturalcapitalalliance.org/t/analysis-using-field-measurements/6044)

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**Author:** [@isabelammartins](https://community.naturalcapitalalliance.org/u/isabelammartins)\
**Replies:** 1\
**Last updated:** [June 17, 2025, 5:34pm UTC](https://community.naturalcapitalalliance.org/t/analysis-using-field-measurements/6044 "2025-06-17T17:34:01Z")

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Hello! I am using the SDR and SWY models in watersheds located in mountainous areas of the southeastern region of Brazil. Field measurements of turbidity (monthly) and streamflow (bimonthly) were carried out at two poin…

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## [SWY results resolution](https://community.naturalcapitalalliance.org/t/swy-results-resolution/6038)

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**Author:** [@Pazur](https://community.naturalcapitalalliance.org/u/Pazur)\
**Replies:** 2\
**Last updated:** [June 12, 2025, 1:10pm UTC](https://community.naturalcapitalalliance.org/t/swy-results-resolution/6038 "2025-06-12T13:10:40Z")

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Dear all, It looks like the precipitation raster size has an impact on all final rasters. I used the precipitation and evapotranspiration monthly data rasters from www.worldclim.org. The precipitation raster has a grid …

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## [Problems with results while running Seasonal Water Yield Model](https://community.naturalcapitalalliance.org/t/problems-with-results-while-running-seasonal-water-yield-model/5913)

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**Author:** [@nicole.pommares](https://community.naturalcapitalalliance.org/u/nicole.pommares)\
**Replies:** 5\
**Last updated:** [March 28, 2025, 2:28pm UTC](https://community.naturalcapitalalliance.org/t/problems-with-results-while-running-seasonal-water-yield-model/5913 "2025-03-28T14:28:26Z")

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Hi everyone, I’m Nicole. I´m running SWY Model and I encountered some issues preparing the inputs and obtaining the results. I used all the default parameters (TFL=1000, beta and gamma=1, alpha=1/12) I didn’t use l…

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## [Seasonal Water Yield Not Working - No Output Files Generated, Previously Used Crop Pollination Successfully](https://community.naturalcapitalalliance.org/t/seasonal-water-yield-not-working-no-output-files-generated-previously-used-crop-pollination-successfully/5888)

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**Author:** [@sachinshukla](https://community.naturalcapitalalliance.org/u/sachinshukla)\
**Replies:** 3\
**Last updated:** [March 26, 2025, 12:58pm UTC](https://community.naturalcapitalalliance.org/t/seasonal-water-yield-not-working-no-output-files-generated-previously-used-crop-pollination-successfully/5888 "2025-03-26T12:58:19Z")

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Hi everyone, I’m running into an issue with the InVEST Seasonal Water Yield model (version 3.14.3) on my Mac, and I’d really appreciate some help. Previously, I used the Crop Pollination model without any problems—it ra…

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## [Error running InVEST model with empty workspace via Python script](https://community.naturalcapitalalliance.org/t/error-running-invest-model-with-empty-workspace-via-python-script/5833)

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**Author:** [@JLeon](https://community.naturalcapitalalliance.org/u/JLeon)\
**Replies:** 2\
**Last updated:** [March 4, 2025, 12:45pm UTC](https://community.naturalcapitalalliance.org/t/error-running-invest-model-with-empty-workspace-via-python-script/5833 "2025-03-04T12:45:53Z")

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What is the issue or question you have? TL;DR: Python SWY cannot run from scratch using an empty workspace since it cannot built the taskgraph.db file. It needs to run in a worksapce where the workbench version has alrea…

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## [SWY not responding to Monthly Alpha table](https://community.naturalcapitalalliance.org/t/swy-not-responding-to-monthly-alpha-table/5838)

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**Author:** [@JLeon](https://community.naturalcapitalalliance.org/u/JLeon)\
**Replies:** 0\
**Last updated:** [March 2, 2025, 5:12pm UTC](https://community.naturalcapitalalliance.org/t/swy-not-responding-to-monthly-alpha-table/5838 "2025-03-02T17:12:58Z")

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What is the issue or question you have? SWY model outputs show no difference between runs using an equal monthly monthly alfa and runs using a precipitation adjusted monthly alpha table. What do you expect to happen? It…

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## [Validation/calibration of seasonal water yield model](https://community.naturalcapitalalliance.org/t/validation-calibration-of-seasonal-water-yield-model/5821)

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**Author:** [@lisakb](https://community.naturalcapitalalliance.org/u/lisakb)\
**Replies:** 2\
**Last updated:** [February 27, 2025, 10:02pm UTC](https://community.naturalcapitalalliance.org/t/validation-calibration-of-seasonal-water-yield-model/5821 "2025-02-27T22:02:07Z")

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Hi, I’m doing some hydrological modelling for a large tropical watershed (\>12,000km2) and managed to run the annual water yield model, but am also interested in some seasonal implications of land use (change). What would…

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## [Base flow and Aggregate results are coming with NoData](https://community.naturalcapitalalliance.org/t/base-flow-and-aggregate-results-are-coming-with-nodata/5597)

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**Author:** [@clara](https://community.naturalcapitalalliance.org/u/clara)\
**Replies:** 24\
**Last updated:** [January 7, 2025, 7:00pm UTC](https://community.naturalcapitalalliance.org/t/base-flow-and-aggregate-results-are-coming-with-nodata/5597 "2025-01-07T19:00:07Z")

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My model ran really fine, but when i open the base flow output there are random places with no data. I ran the model with almost the same input data but differente LULCC scenario and worked fine. But now somehow i am ha…

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## [SWY on Irrigated Landscapes: Is there a way to integrate inputs and outputs from irrigation within a watershed?](https://community.naturalcapitalalliance.org/t/swy-on-irrigated-landscapes-is-there-a-way-to-integrate-inputs-and-outputs-from-irrigation-within-a-watershed/5634)

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**Author:** [@rdejesuscrespo](https://community.naturalcapitalalliance.org/u/rdejesuscrespo)\
**Replies:** 1\
**Last updated:** [December 17, 2024, 7:01pm UTC](https://community.naturalcapitalalliance.org/t/swy-on-irrigated-landscapes-is-there-a-way-to-integrate-inputs-and-outputs-from-irrigation-within-a-watershed/5634 "2024-12-17T19:01:24Z")

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Hi everyone, I am running the SWY on a watershed draining into a reservoir. There are groundwater wells mainly used for irrigation (which I have coordinates for). Irrigation also happens within the landscape (I have a s…

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