NPP Temperate Forest: OTTER Project Sites, Oregon, USA, 1989-1991, R1

Metadata Updated: March 23, 2019

This data set provides net primary productivity (NPP) estimates and associated field measurements for six sites located along the 250-km, west-east transect of the Oregon Transect Ecosystem Research Project (OTTER) in the Pacific Northwest. Leaf area indices, biomass, and NPP vary about 10-fold across the OTTER transect. Leaf area index (LAI) ranges from 0.4 m2/m2 at the Juniper/Sisters site to 8.6 m2/m2 at the Scio western Cascade site. Total NPP follows a similar trend with the Juniper/Sisters site having the lowest NPP value (300 g/m2/yr) and the Scio site having the highest (2,250-2,570 g/m2/yr). Total tree biomass across the transect ranges from to 1,080 g/m2 at Juniper/Sisters to 71,080 g/m2 at Cascade Head. Vegetation intercepts 22% to 99.5% of incident photosynthetically active radiation along the transect.There is one data file (.csv format) with this data set. Revision Notes: Only the documentation for this data set has been modified. The data files have been checked for accuracy and are identical to those originally published in 1999.

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Metadata Created Date August 1, 2018
Metadata Updated Date March 23, 2019

Metadata Source

Harvested from NASA Data.json

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Additional Metadata

Resource Type Dataset
Metadata Created Date August 1, 2018
Metadata Updated Date March 23, 2019
Publisher ORNL_DAAC
Unique Identifier C1000000009-ORNL_DAAC
Maintainer Email
Public Access Level public
Bureau Code 026:00
Metadata Context
Metadata Catalog ID
Schema Version
Catalog Describedby
Citation Archived by National Aeronautics and Space Administration, U.S. Government, ORNL_DAAC. Waring, R.H., B.E. Law, and B. Bond. 2013. NPP Temperate Forest: OTTER Project Sites, Oregon, USA, 1989-1991, R1. ORNL DAAC, Oak Ridge, Tennessee, USA.
Datagov Dedupe Retained 20190322235447
Graphic Preview Description Browse Image
Graphic Preview File
Harvest Object Id 5ca9f446-bcb4-41b6-b18c-72add566b4b5
Harvest Source Id 39e4ad2a-47ca-4507-8258-852babd0fd99
Harvest Source Title NASA Data.json
Data First Published 2013-09-04
Homepage URL
Language en-US
Metadata Type geospatial
Data Last Modified 2018-11-29
Program Code 026:001
Source Datajson Identifier True
Source Hash 467625cab1b6bf3815474427ca0902471396a68c
Source Schema Version 1.1
Spatial -124.02 44.27 -121.17 44.95
Temporal 1989-01-01T00:00:00Z/1991-12-31T23:59:59Z
Category NPP, geospatial

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