# Latest

**URL:** https://community.naturalcapitalalliance.org/latest.md?page=4

[Latest](https://community.naturalcapitalalliance.org/latest.md) · [Categories](https://community.naturalcapitalalliance.org/categories.md) · [Tags](https://community.naturalcapitalalliance.org/tags.md)

**Page:** 5

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## [UFRM Model: ValueError: Could not find field 'Type'](https://community.naturalcapitalalliance.org/t/ufrm-model-valueerror-could-not-find-field-type/6252)

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**Author:** [@Soumya071](https://community.naturalcapitalalliance.org/u/Soumya071)\
**Replies:** 1\
**Last updated:** [November 3, 2025, 1:47pm UTC](https://community.naturalcapitalalliance.org/t/ufrm-model-valueerror-could-not-find-field-type/6252 "2025-11-03T13:47:56Z")

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What is the issue or question you have? Without providing the built-up infrastructure data, the UFRM Model was running smoothly. After providing the built-up infrastructure it is showing errors. What do you expect to ha…

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## [Evapotranspiration raster for UCM](https://community.naturalcapitalalliance.org/t/evapotranspiration-raster-for-ucm/6244)

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**Author:** [@ed\_T](https://community.naturalcapitalalliance.org/u/ed_T)\
**Replies:** 6\
**Last updated:** [November 1, 2025, 6:38am UTC](https://community.naturalcapitalalliance.org/t/evapotranspiration-raster-for-ucm/6244 "2025-11-01T06:38:27Z")

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Hi all, I’m working on an urban heat island mitigation study using the InVEST Urban Cooling Model, and I’d appreciate some feedback or suggestions. :white\_check\_mark: What I’ve done so far: I created a biophysical t…

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## [SDR output is incorrect](https://community.naturalcapitalalliance.org/t/sdr-output-is-incorrect/6247)

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**Author:** [@llx](https://community.naturalcapitalalliance.org/u/llx)\
**Replies:** 1\
**Last updated:** [October 30, 2025, 2:29pm UTC](https://community.naturalcapitalalliance.org/t/sdr-output-is-incorrect/6247 "2025-10-30T14:29:39Z")

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After running the SDR model, there are significant errors in the results. Specifically, obvious grid lines have appeared in the output, even though my data seems to be intact.

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## [Save the Date for the 2026 Natural Capital Symposium](https://community.naturalcapitalalliance.org/t/save-the-date-for-the-2026-natural-capital-symposium/6245)

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**Author:** [@dave](https://community.naturalcapitalalliance.org/u/dave)\
**Replies:** 0\
**Last updated:** [October 29, 2025, 1:22pm UTC](https://community.naturalcapitalalliance.org/t/save-the-date-for-the-2026-natural-capital-symposium/6245 "2025-10-29T13:22:17Z")

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The 2026 Natural Capital Symposium: June 29-July 1 at Stanford University Don’t miss the Natural Capital Project’s 20th anniversary edition of its symposium, this time with a dedicated software-focused contributor track. …

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## [No effect from threats and senstvity](https://community.naturalcapitalalliance.org/t/no-effect-from-threats-and-senstvity/6242)

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**Author:** [@MUBEENCHO](https://community.naturalcapitalalliance.org/u/MUBEENCHO)\
**Replies:** 1\
**Last updated:** [October 27, 2025, 3:09pm UTC](https://community.naturalcapitalalliance.org/t/no-effect-from-threats-and-senstvity/6242 "2025-10-27T15:09:01Z")

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Hello, I’m evaluating habitat quality in urban areas using the InVEST Habitat Quality model, but the outputs look like raw HQ values without any effects from threats or sensitivity. Why is this happening? Thank you for …

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## [Creating new Wind and Wave data for Coastal Vulnerability Model](https://community.naturalcapitalalliance.org/t/creating-new-wind-and-wave-data-for-coastal-vulnerability-model/5996)

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**Author:** [@kevin.walsh](https://community.naturalcapitalalliance.org/u/kevin.walsh)\
**Replies:** 10\
**Last updated:** [October 23, 2025, 1:26pm UTC](https://community.naturalcapitalalliance.org/t/creating-new-wind-and-wave-data-for-coastal-vulnerability-model/5996 "2025-10-23T13:26:16Z")

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I’m trying to create my own wind and wave data for a Coastal Vulnerability model, starting by using ERA5 time series data for the daily maximum of wind from 2019-2024. I’ve read through the previous forum posts about t…

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## [Recreation and Tourism Model - Communication Error](https://community.naturalcapitalalliance.org/t/recreation-and-tourism-model-communication-error/6236)

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**Author:** [@Maia72](https://community.naturalcapitalalliance.org/u/Maia72)\
**Replies:** 1\
**Last updated:** [October 20, 2025, 1:06pm UTC](https://community.naturalcapitalalliance.org/t/recreation-and-tourism-model-communication-error/6236 "2025-10-20T13:06:20Z")

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Hello everyone, I’m trying to run the InVEST Recreation and Tourism model, but I’m getting the following error message: “Communication error: No connection could be made because the target machine actively refused it.” …

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## [InVEST Developer's Guide](https://community.naturalcapitalalliance.org/t/invest-developers-guide/6234)

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**Author:** [@dave](https://community.naturalcapitalalliance.org/u/dave)\
**Replies:** 0\
**Last updated:** [October 17, 2025, 1:27pm UTC](https://community.naturalcapitalalliance.org/t/invest-developers-guide/6234 "2025-10-17T13:27:07Z")

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Our InVEST ReadTheDocs site contains lots of useful information for programmers and those with advanced use-cases for InVEST, including: Installing the InVEST Python Package Using the InVEST Command-line-interface Tuto…

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## [InVEST 3.17.0 Released!](https://community.naturalcapitalalliance.org/t/invest-3-17-0-released/6233)

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**Author:** [@dave](https://community.naturalcapitalalliance.org/u/dave)\
**Replies:** 0\
**Last updated:** [October 17, 2025, 1:14pm UTC](https://community.naturalcapitalalliance.org/t/invest-3-17-0-released/6233 "2025-10-17T13:14:05Z")

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We are excited to announce the InVEST 3.17.0 release! This minor release features support for remote path inputs. From the InVEST Workbench users can enter URLs to remotely hosted datasets for rasters, vectors, and CSVs.…

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## [ValueError: Vector geometry type must be Polygon or MultiPolygon](https://community.naturalcapitalalliance.org/t/valueerror-vector-geometry-type-must-be-polygon-or-multipolygon/6218)

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**Author:** [@baixiaobai](https://community.naturalcapitalalliance.org/u/baixiaobai)\
**Replies:** 2\
**Last updated:** [October 15, 2025, 1:33pm UTC](https://community.naturalcapitalalliance.org/t/valueerror-vector-geometry-type-must-be-polygon-or-multipolygon/6218 "2025-10-15T13:33:24Z")

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Has anyone else encountered a similar issue? What might be the cause of the error? Could you please provide some guidance?（ValueError: Vector geometry type must be Polygon or MultiPolygon）

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## [Summary Statistic Issue - ValueError: Vector geometry type must be Polygon or MultiPolygon](https://community.naturalcapitalalliance.org/t/summary-statistic-issue-valueerror-vector-geometry-type-must-be-polygon-or-multipolygon/6223)

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**Author:** [@Shikha](https://community.naturalcapitalalliance.org/u/Shikha)\
**Replies:** 4\
**Last updated:** [October 15, 2025, 4:13am UTC](https://community.naturalcapitalalliance.org/t/summary-statistic-issue-valueerror-vector-geometry-type-must-be-polygon-or-multipolygon/6223 "2025-10-15T04:13:51Z")

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Hi, Natural capital team. I’m using the INVEST (Habitat Risk Assessment-HRA) model for habitat risk assessment for my study area. In which I got all the outputs except Summary statistics table. The error file attached b…

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## [Dear teachers, I encountered a problem while using the InVEST Blue Carbon model](https://community.naturalcapitalalliance.org/t/dear-teachers-i-encountered-a-problem-while-using-the-invest-blue-carbon-model/6227)

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**Author:** [@xcx](https://community.naturalcapitalalliance.org/u/xcx)\
**Replies:** 1\
**Last updated:** [October 13, 2025, 2:49pm UTC](https://community.naturalcapitalalliance.org/t/dear-teachers-i-encountered-a-problem-while-using-the-invest-blue-carbon-model/6227 "2025-10-13T14:49:50Z")

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Dear teachers, I encountered a problem while using the InVEST Blue Carbon model. In the results I output, all the pixel values are the same, which confuses me. I wonder whether this is due to the issue with my selected …

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## [Access to dataset 'coastal risk reduction' and 'nature access' and visualization on QGIS](https://community.naturalcapitalalliance.org/t/access-to-dataset-coastal-risk-reduction-and-nature-access-and-visualization-on-qgis/6220)

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**Author:** [@simone.guazzotti](https://community.naturalcapitalalliance.org/u/simone.guazzotti)\
**Replies:** 6\
**Last updated:** [October 8, 2025, 2:12am UTC](https://community.naturalcapitalalliance.org/t/access-to-dataset-coastal-risk-reduction-and-nature-access-and-visualization-on-qgis/6220 "2025-10-08T02:12:53Z")

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Hi everyone ! I am Simone and I would like to ask how to access and visualize correctly in QGIS the ‘coastal risk reduction for coastal populations under potential natural vegetation’ and ‘nature access’ database (found…

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## [How to calculate Z parameter](https://community.naturalcapitalalliance.org/t/how-to-calculate-z-parameter/6224)

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**Author:** [@MarieEveC](https://community.naturalcapitalalliance.org/u/MarieEveC)\
**Replies:** 2\
**Last updated:** [October 8, 2025, 12:27am UTC](https://community.naturalcapitalalliance.org/t/how-to-calculate-z-parameter/6224 "2025-10-08T00:27:12Z")

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Hi! I keep encountering problems while trying to figure out the value of Z parameter for my Annual Water Yield model. Here’s what I have done yet and the data I’m using: I used the ISRIC SoilGrids 2017 AWC data and us…

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## [How does NDR handle nodata values near boundaries of input data?](https://community.naturalcapitalalliance.org/t/how-does-ndr-handle-nodata-values-near-boundaries-of-input-data/6175)

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**Author:** [@siyuliu](https://community.naturalcapitalalliance.org/u/siyuliu)\
**Replies:** 3\
**Last updated:** [October 6, 2025, 11:40pm UTC](https://community.naturalcapitalalliance.org/t/how-does-ndr-handle-nodata-values-near-boundaries-of-input-data/6175 "2025-10-06T23:40:27Z")

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Can the model operate normally if there are nodata values (on national boundaries) in the land use data within the study area? Due to the high spatial resolution and large research area, I am asking this question to avoi…

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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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## [Incorporating SSP5-8.5 Wind Projections into InVEST Coastal Model (WW3 Structure)](https://community.naturalcapitalalliance.org/t/incorporating-ssp5-8-5-wind-projections-into-invest-coastal-model-ww3-structure/5969)

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**Author:** [@marianamendesm](https://community.naturalcapitalalliance.org/u/marianamendesm)\
**Replies:** 17\
**Last updated:** [September 25, 2025, 6:47pm UTC](https://community.naturalcapitalalliance.org/t/incorporating-ssp5-8-5-wind-projections-into-invest-coastal-model-ww3-structure/5969 "2025-09-25T18:47:38Z")

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Hi everyone! I’m using the InVEST Coastal Vulnerability Model to run two different scenarios: one for the present and another for a future projection. I’d like to incorporate future-projected wind and wave data instead …

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## [Bycatch risk assessment error](https://community.naturalcapitalalliance.org/t/bycatch-risk-assessment-error/6170)

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**Author:** [@johann123](https://community.naturalcapitalalliance.org/u/johann123)\
**Replies:** 2\
**Last updated:** [September 25, 2025, 4:04pm UTC](https://community.naturalcapitalalliance.org/t/bycatch-risk-assessment-error/6170 "2025-09-25T16:04:57Z")

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What is the issue or question you have? When running the InVEST model habitat risk assessment, I have come across an issue. For the majority of our trials, we have been able to successfully run the ByRA model and obtain …

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## [Subsurface data in NDR](https://community.naturalcapitalalliance.org/t/subsurface-data-in-ndr/6201)

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**Author:** [@h.kazmi](https://community.naturalcapitalalliance.org/u/h.kazmi)\
**Replies:** 2\
**Last updated:** [September 25, 2025, 2:34pm UTC](https://community.naturalcapitalalliance.org/t/subsurface-data-in-ndr/6201 "2025-09-25T14:34:33Z")

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Hello everyone. I want to run the NDR model, but I don’t know what numbers I should set for these two alternatives. 1- Subsurface Critical Length and 2- Subsurface Maximum Retention Efficiency. For both nitrogen and…

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## [Prakash Hinduja Geneva (Swiss) How do I install InVEST on a virtual machine or cloud server?](https://community.naturalcapitalalliance.org/t/prakash-hinduja-geneva-swiss-how-do-i-install-invest-on-a-virtual-machine-or-cloud-server/6209)

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**Author:** [@prakashhindujageneva](https://community.naturalcapitalalliance.org/u/prakashhindujageneva)\
**Replies:** 1\
**Last updated:** [September 24, 2025, 5:53pm UTC](https://community.naturalcapitalalliance.org/t/prakash-hinduja-geneva-swiss-how-do-i-install-invest-on-a-virtual-machine-or-cloud-server/6209 "2025-09-24T17:53:52Z")

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Hi Everyone, I’m Prakash Hinduja, born in India and now resides in Geneva, Switzerland (Swiss). I’m planning to install InVEST on a virtual machine or cloud server but haven’t done this before. If anyone have suggestion …

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## [Tutorial videos](https://community.naturalcapitalalliance.org/t/tutorial-videos/6203)

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**Author:** [@h.kazmi](https://community.naturalcapitalalliance.org/u/h.kazmi)\
**Replies:** 2\
**Last updated:** [September 22, 2025, 5:51pm UTC](https://community.naturalcapitalalliance.org/t/tutorial-videos/6203 "2025-09-22T17:51:05Z")

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Hello everyone. Are there any tutorial videos for each of the InVEST models? I searched on Google but couldn’t find anything.

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## [Carbon Storage and Sequestration model - Annual Price Change (VALUE)](https://community.naturalcapitalalliance.org/t/carbon-storage-and-sequestration-model-annual-price-change-value/6202)

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**Author:** [@JeannOlliveira](https://community.naturalcapitalalliance.org/u/JeannOlliveira)\
**Replies:** 1\
**Last updated:** [September 22, 2025, 5:20pm UTC](https://community.naturalcapitalalliance.org/t/carbon-storage-and-sequestration-model-annual-price-change-value/6202 "2025-09-22T17:20:12Z")

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Hello, I am using the InVEST Carbon Storage and Sequestration model and I have a question about the Annual Price Change parameter. The user guide mentions that this rate can be positive or negative, depending on the int…

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## [Error in running recreation model](https://community.naturalcapitalalliance.org/t/error-in-running-recreation-model/6197)

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**Author:** [@ziba76](https://community.naturalcapitalalliance.org/u/ziba76)\
**Replies:** 3\
**Last updated:** [September 18, 2025, 3:16pm UTC](https://community.naturalcapitalalliance.org/t/error-in-running-recreation-model/6197 "2025-09-18T15:16:48Z")

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What is the issue or question you have? Hello, I’m from Iran and I use VPN for run the models of INVEST, now for this Model I have this error “cannot connect to (‘34.44.144.58’, 54322): \[WinError 10060\]”. pls help me to…

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## [SDR model results units](https://community.naturalcapitalalliance.org/t/sdr-model-results-units/6196)

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**Author:** [@hkarimi](https://community.naturalcapitalalliance.org/u/hkarimi)\
**Replies:** 4\
**Last updated:** [September 12, 2025, 9:35pm UTC](https://community.naturalcapitalalliance.org/t/sdr-model-results-units/6196 "2025-09-12T21:35:18Z")

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Hi all, I have recently completed SDR model for a part of the U.S. In the software goudline says “As of InVEST 3.15.0, the raster results of SDR are given as values per hectare. To convert the per hectare values to per …

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## [Soil erodibility - convert to standard units before using?](https://community.naturalcapitalalliance.org/t/soil-erodibility-convert-to-standard-units-before-using/6183)

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**Author:** [@hkarimi](https://community.naturalcapitalalliance.org/u/hkarimi)\
**Replies:** 8\
**Last updated:** [September 11, 2025, 6:40pm UTC](https://community.naturalcapitalalliance.org/t/soil-erodibility-convert-to-standard-units-before-using/6183 "2025-09-11T18:40:25Z")

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Hi all, I am currently using the SDR model in two regions of the United States and have a question about the soil erosivity input. I found a 30 m resolution soil erosivity dataset for the U.S. (please see here; ArcGIS )…

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## [Where is the link to the invest installer?](https://community.naturalcapitalalliance.org/t/where-is-the-link-to-the-invest-installer/6193)

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**Author:** [@pavithra.t.s](https://community.naturalcapitalalliance.org/u/pavithra.t.s)\
**Replies:** 1\
**Last updated:** [September 11, 2025, 5:13pm UTC](https://community.naturalcapitalalliance.org/t/where-is-the-link-to-the-invest-installer/6193 "2025-09-11T17:13:02Z")

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Warm wishes, I have been using InVEST tool for a while, exploring its features for our mangroves coalition project. As my device has to be replaced with a newer one, I need the tool installation link. Since the old link …

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## [Musle sediment model computation based on InVEST SDR model](https://community.naturalcapitalalliance.org/t/musle-sediment-model-computation-based-on-invest-sdr-model/6192)

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**Author:** [@Dimitris](https://community.naturalcapitalalliance.org/u/Dimitris)\
**Replies:** 1\
**Last updated:** [September 10, 2025, 3:41pm UTC](https://community.naturalcapitalalliance.org/t/musle-sediment-model-computation-based-on-invest-sdr-model/6192 "2025-09-10T15:41:14Z")

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Dear Sirs, I have computed storm volume and peak discharge for a storm event. Is it possible to incorporate MUSLE model for the above storm event since I have also readily available the K, LS, C and P factors. Best wi…

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## [Calibrating and Validating the InVEST NDR Model in Data-Scarce Regions](https://community.naturalcapitalalliance.org/t/calibrating-and-validating-the-invest-ndr-model-in-data-scarce-regions/6191)

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**Author:** [@Mariam](https://community.naturalcapitalalliance.org/u/Mariam)\
**Replies:** 0\
**Last updated:** [September 8, 2025, 6:25pm UTC](https://community.naturalcapitalalliance.org/t/calibrating-and-validating-the-invest-ndr-model-in-data-scarce-regions/6191 "2025-09-08T18:25:27Z")

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Dear NatCap Community, I am excited to share that our new paper has just been published: Using machine learning for long-term calibration and validation of water quality ecosystem service models in data-scarce regions. …

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## [SDR results at different resolutions](https://community.naturalcapitalalliance.org/t/sdr-results-at-different-resolutions/6190)

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**Author:** [@BrynZA](https://community.naturalcapitalalliance.org/u/BrynZA)\
**Replies:** 1\
**Last updated:** [September 8, 2025, 5:19pm UTC](https://community.naturalcapitalalliance.org/t/sdr-results-at-different-resolutions/6190 "2025-09-08T17:19:36Z")

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Hi all, I am running the SDR model for a basin at two different resolutions (30m and 90m). While I’d expect to get somewhat different results, the difference in sediment export is quite large, and I’m wondering if a gre…

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## [Prakash Hinduja (Switzerland) My model has been running for a long time. Is this normal? How can I speed up a model run?](https://community.naturalcapitalalliance.org/t/prakash-hinduja-switzerland-my-model-has-been-running-for-a-long-time-is-this-normal-how-can-i-speed-up-a-model-run/6186)

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**Author:** [@prakashhindujageneva](https://community.naturalcapitalalliance.org/u/prakashhindujageneva)\
**Replies:** 1\
**Last updated:** [September 8, 2025, 1:53pm UTC](https://community.naturalcapitalalliance.org/t/prakash-hinduja-switzerland-my-model-has-been-running-for-a-long-time-is-this-normal-how-can-i-speed-up-a-model-run/6186 "2025-09-08T13:53:14Z")

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My name is Prakash Hinduja. I am a financial strategist who was born in Amritsar, India, and now a resident of Geneva, Switzerland (Swiss). I’m running an InVEST model and it seems to be taking an extremely long time to …

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