Recent Releases of ForestVegetationSimulator

ForestVegetationSimulator - FVS20250701

July 1, 2025 * Increased Activity Limits * Greater Precision in Growth Period Input * Improved Handling of Blank Species Input

- Fortran
Published by wagnerds 8 months ago

ForestVegetationSimulator - FVS20250401

April 1,2025

  • Quarter updates include:
  • Canopy Cover Updates
  • STDIDENT Keyword Database Output
  • FIA Species Output in FVSREGENINGROW Table
  • Corrected Sampling Weight Reporting when Error is Encountered

- Fortran
Published by wagnerds 11 months ago

ForestVegetationSimulator - FVS20250101 FS2025.1

January 1,2025

Quarter updates include: * McKelvie NF Location Added to CR Variant * FVS Species Number Added to FVS_CalibStats Table * FFE Floating Point Exception Error Issues * Updates to PICO SDI in Blue Mountains Variant * Update to Volume Computation Engine

- Fortran
Published by wagnerds about 1 year ago

ForestVegetationSimulator - FVS20240930 FS2024.4

September 30, 2024

Updates to this quarterly release include: * Automatic Generation of Error Table * Nesting of Addfiles 20240930FVS_ReleaseNotice.docx

- Fortran
Published by wagnerds over 1 year ago

ForestVegetationSimulator - FVS20240701 FS2024.3

July 1, 2024

In this quarterly release there were minor fixes to the base code to address minor bugs and build list directory structure. 20240701FVS_ReleaseNotice.pdf

- Fortran
Published by wagnerds over 1 year ago

ForestVegetationSimulator - Forest Vegetation Simulator 20240401 FS2024.2

This update incorporates several Forest Vegetation Simulator quarterly releases. More information can be found in the attached release notices or on our website https://www.fs.usda.gov/fvs/ FVS2023Q4_ReleaseNotice.pdf FVSReleaseNotice-20240401.pdf 2024Q1-FVSReleaseNotice-20231222.pdf

- Fortran
Published by wagnerds almost 2 years ago

ForestVegetationSimulator - Forest Vegetation Simulator 20230728

Welcome to our July 28, 2023 release!

In this quarterly release, the major updates to base model were:

  • Addition of Coleville National Forest to East Cascades (EC) Variant
  • Check and Waring of Excess Tree per Acre Input

Please see the attached bulletin for more information or visit our website at https:/www.fs.usda.gov/fvs/ FVSQ3ReleaseNotice.docx

- Fortran
Published by wagnerds over 2 years ago

ForestVegetationSimulator - Forest Vegetation Simulator 20230518

Welcome to our May 18, 2023 Release!

In this quarterly release, the major update to the base model were:

Available Volume Equation Options Expanded

Addition of Lorey's Height Event Monitor Variables Updated Default Merchantability Limits for National Forests in North Carolina Revised Forest Typing Algorithm Corrected Location Mapping for Pine Ridge Reservation in CR Variant Please see the attached newsletter for more information or visit our website at https://www.fs.usda.gov/fvs/ 20230518_FVSNewsletterIssue24.pdf

- Fortran
Published by wagnerds almost 3 years ago

ForestVegetationSimulator - Forest Vegetation Simulator 20230106.01

This is a supplemental release of our 20230106 release.

This release is intended to resolve an issue where volume equations were improperly mapped for Region 5 forests. Also included in the supplemental release: Update the FIA species code mapping of other softwoods in the SO variant Corrections to Forest Type calculations to account for the change in FIA code for other softwoods from 298 to 299, system wide Correction to Forest location mapping for the Bureau of Indian Affairs Pine Ridge Reservation

- Fortran
Published by wagnerds almost 3 years ago

ForestVegetationSimulator - Forest Vegetation Simulator 20230106

Welcome to our January 06, 2023 Release!

In this quarterly release, the major update to the base model were:

  • Available Volume Equation Options Expanded
  • SN Variant Now Accepts Top Diameter User Inputs when using BFVOLUME or VOLUME Keywords
  • Improved Height Growth Estimates for Norway Spruce in LS and NE Variants
  • Improved Mathematical Logic in KT Variant
  • Corrected Output Database Handling
  • Corrected 'Before Thin CCF' Value Reporting
  • Modification to Crown Ratio Logic for Species in AK Variant and Redwood and Giant Sequoia in CA, NC, OC, OP, PN, WC, and WS Variants
  • Modification to Height Dubbing Logic of Dead Tree Records in AK Variant

Please see the attached newsletter for more information or visit our website at https://www.fs.usda.gov/fvs/

2023Q1FVSNewsletterIssue23January062023.pdf

- Fortran
Published by wagnerds about 3 years ago

ForestVegetationSimulator - Forest Vegetation Simulator 20220930

Welcome to our September 30, 2022 Release!

In this quarterly release, the major update to the base model were modifications to the PN and WC mortality as well as updated volume computations. Please see the attached newsletter for more information or visit our website at https://www.fs.usda.gov/fvs/

FVSNewsletterIssue22_30September2022.pdf

- Fortran
Published by wagnerds over 3 years ago