Harvard Forest Calibration Activity

This page contains documents and recordings concerning the RCN Calibration Activity at Harvard Forest, August, 2017.

Direct Link to Metadata Page

• Go here for metadata describing data acquired during the Calibration Activity and other useful information

Photo and Video Gallery for Community Use

• Photos and Movie of Zeb1, Debbie Crawford and Tom Jovanovic (.zip)
• Photo of Group on Steps of Shaler Hall
• Photos from Will Woodgate (.zip)
• Movies of Will in the Bucket Lift Plot Shot By Alan (.zip)

Experiment Plan

• Experiment Plan, Version of August 6, 2017

Talks on Calibration Activity

SilviLaser 2017

Note: Visualizations and graphics in these presentations are viewable as shown below. For PPT files, contact the presenters directly.

• Virtual Tree Volume and Aboveground Biomass Retrieval from TLS Calibrated by Destructive Sampling at Harvard Forest (Alan Strahler, presenter)
• Early Scanner Data and Structure Retrievals from TLS Calibrated by Destructive Sampling at Harvard Forest (Alan Strahler, presenter)
• Detailed Tree Measurements at Harvard Forest: TLS Volume, Biomass, and Structure (Philip Radtke, presenter)

ForestSat 2018

• Comparing TLS-derived Quantitative Structure Models with Direct Measurements of Tree Structure (Philip Radtke, presenter)
• Using ZEB1, a Highly-Mobile Terrestrial Laser Scanner, to Assess and Measure Trees in an Eastern Hemlock-Dominated Forest (Debbie Crawford, presenter)
• Quantifying Forest Structure, Complexity, and Biomass Using the Leica BLK360 Terrestrial Laser Scanner (Jeff Atkins, presenter)
• Structural Signatures of Forest Disturbance (Jeff Atkins, presenter)
• Developing New Biomass Allometric Equations Based on Terrestrial Laser Scanning (Kim Calders, presenter)
• Quantifying Tree Crown-Filling Using New 3D Terrestrial Laser Scanning Measurements (Mat Disney, presenter)

SilviLaser Visualizations and Graphics (Credit)

• Zebedee, Zeb-1 (Debbie Crawford, CSIRO; Tom Jovanovic, ANU)
  • Instrument PowerPoints and First Data from Harvard Forest
  • Zebedee Point Cloud Visualization, Bucket Lift Plot*
• Faro (Atticus Stovall, UVa)
  • North Plot Faro Fly-Through*
• Riegl Leaf-Off Data (Kim Calders, UGhent)
  • North Plot Leaf-Off Riegl Fly-Through*
  • Point Clouds and QSMs, North Plot Trees (.zip download)
• Riegl Bucket Plot (Martin Béland, Laval)
  • Bucket Plot Riegl Fly-Through Martin*
• Riegl Bucket Plot (Andy Burt, UCL)
  • Bucket Plot Riegl Fly-Through Andy*
  • Bucket Plot DS Trees QSMs Rotate Andy
• CBL Bucket Plot Graphics (Crystal Schaaf, UMass Boston)
  • CBL Bucket Plot Photos and Images Zipped

(* indicates higher-resolution file may be available from alan@bu.edu)

Older Telecons, 2017–2018

Telecons, 2019–

• Scanners-Foresters Joint Telecon, January 23, 2019
  • Agenda
  • Notes
  • Recording
• Scanners-Foresters Joint Telecon, March 27, 2019
  • Agenda
  • Notes
  • Recording

Site Visit and Plot Layout Notes

• Site Scouting Field trip HF Thursday 20 October 2016
• Notes from potential scanning location with pix 29 March 2017
• Plot Grid Layout Notes April 14 2017
• North Plot Tree Position Layout April 17 2017 .xslx
• Plot Descriptions and GPS Coords May 8 2017

Plot Maps and Tree Data

• Tree Data Spreadsheet North Plot .xlsx
• Main Plot Tree Data Spreadsheet .xlsx
• Main Plot Tree Map
• Final Weighed Tree Map
• Final All Downed Trees Map
  • Tree Status and Attribute Spreadsheet .xlsx
    • status_code
      • 1 = no change
      • 2 = harvested and weighed
      • 3 = downed and not weighed

Scans of Field Notes and Note Cards

• Field Data Note Cards April 24-30 UNAVCO Scanning
• Hemispherical Photo Numbers and Locations Notes April 24-30

UNAVCO Scanning April 24-30, 2017

• UNAVCO Scanning Report May 2 2017
• Scan Layout Main Plot Design, Kim Calders, 14 April 2017