NASA/TMm2000-209891, Vol. 239

S on the

Study (BOREAS)

11and Sara K. C6 Editors

239

,S TGB-8 Starch Concentration Data

[nd the SSA-OJP

nautics and

stration

:e Flight Center

No'
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NASA/TMm2000-209891, Vol. 239

Technical Report Series on the

Boreal Ecosystem-Atmosphere Study (BOREAS)

Forrest G. Hall and Sara K. Conrad, Editors

Volume 239

BOREAS TGB-8 Starch Concentration Data

over the SSA-OBS and the SSA-OJP

Manuel Lerdau

State University of New York, Stony Brook

National Aeronautics and

Space Administration

Goddard Space Flight Center

Greenbelt, Maryland 20771

November 2000
NASACenterforAeroSpaceInformation

7121StandardDrive

Hanover,MD21076-1320

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PriceCode:A10
BOREAS TGB-8 Starch Concentration Data over the SSA-OBS and the

SSA-OJP

Manuel Lerdau

Summary

The BOREAS TGB-8 team collected data to investigate the controls over NMHC fluxes from boreal

forest tree species. This data set includes measurements of starch concentrations in foliar samples at

mature jack pine and black spruce sites. The data were collected at the OJP and OBS tower flux

locations in the BOREAS SSA. These areas contained mature stands of jack pine and black spruce and

were the focal sites in the BOREAS program for studies of biosphere/atmosphere exchange from these

two habitat types. The OBS site is situated in a black spruce/sphagnum bog with the largest trees 155

years old and 10-15 m tall. The OJP site is in a jack pine forest, 80 to 120 years old, which lies on a

sandy bench of glacial outwash with the largest tree standing 15 m tall. Temporally, the data cover the

period of 24-May-1994 to 19-Sep-1994. The data are stored in tabular ASCII files.

Table of Contents

1) Data Set Overview

2) Investigator(s)

3) Theory of Measurements

4) Equipment

5) Data Acquisition Methods

6) Observations

7) Data Description

8) Data Organization

9) Data Manipulations

10) Errors

11) Notes

12) Application of the Data Set

13) Future Modifications and Plans

14) Software

15) Data Access

16) Output Products and Availability

17) References

18) Glossary of Terms

19) List of Acronyms

20) Document Information

1. Data Set Overview

1.1 Data Set Identification

BOREAS TGB-08 Starch Concentration Data over the SSA-OBS and the SSA-OJP

1.2 Data Set Introduction

The mechanistic controls over nonmethane hydrocarbon (NMHC) fluxes from boreal forest trees

were investigated. These studies could be used to modify existing ecosystem models to include

NMHC emissions and their response to seasonality and resource variability (primarily water and

nitrogen).

Page 1
1.3 Objective/Purpose

Theobjectivewasto measurethestarchconcentrationsinneedlesfromtheBOReal

Ecosystem-AtmosphereStudy(BOREAS)SouthernStudyArea(SSA)-OldBlackSpruce(OBS)and

SSA-OldJackPine(OJP).

1.4 Summary of Parameters

Starch concentrations.

1.5 Discussion

The research was ordered around three general questions: (1) To what extent are leaf carbon

balance and isoprene synthase activity (the enzyme responsible for isoprene emission) predictors of

NMHC flux? (2) How do leaf carbon balance and isoprene synthase activity depend on nitrogen/water

availability and carbon source/sink parameters? and (3) How do we modify the FORES-BGC

ecosystem model, based on question 1 and 2, to predict canopy-level NMHC fluxes? Studies included

seasonal monitoring of NMHC emissions and its relationship to plant phenology, photosynthesis,

respiration, isoprene synthase activity, and leaf starch concentrations.

1.6 Related Data Sets

BOREAS TGB-08 Photosynthetic Rate Data over the SSA-OBS and the SSA-OJP

BOREAS TGB-08 Monoterpene Concentration Data over the SSA-OBS and the SSA-OJP

2. Investigator(s)

2.1 Investigator(s) Name and Title

Manuel Lerdau

2.2 Title of Investigation

The Relationship Between Non-Methane Hydrocarbon Emission and Leaf Carbon Balance in the

Boreal Forest: An Approach for Mechanistic Ecosystem Modeling

2.3 Contact Information

Contact 1:

Dr. Manuel Lerdau

Ecology and Evolution

SUNY

Stony Brook, NY

(516) 632-6633

(516) 632-7626 (fax)

mlerdau@life.bio, sunysb.edu

Contact 2:

Jeffrey A. Newcomer

Raytheon ITSS

Code 923

NASA GSFC

Greenbelt, MD 20771

(301) 286-7858

(301) 286-0239 (fax)

Jeffrey.Newcomer@ gsfc.nasa.gov

Page 2
Nonegiven.

3. Theory of Measurements

4. Equipment

4.1 Sensor/Instrument Description

None given.

4.1.1 Collection Environment

Samples were collected under all environmental conditions.

4.1.2 Source/Platform

Trees.

4.1.3 Source/Platform Mission Objectives

To measure average starch concentrations in SSA-OBS and SSA-OJP.

4.1.4 Key Variables

Starch concentration.

4.1.5 Principles of Operation

None given.

4.1.6 Sensor/Instrument Measurement Geometry

None given.

4.1.7 Manufacturer of Sensor/Instrument

Campbell Scientific

AADCO Instruments

Silver Springs, FL

Supelco

Bellafonte, PA

Tekmar

Cincinnati, OH

SKC, Inc.

Eighty Four, PA

Finnigan

San Jose, CA

J&W Scientific

Folsom, CA

Hewlett Packard

LACHAT Inst.

Mequon, WI

Page 3
4.2 Calibration

4.2.1 Specifications

None given.

4.2.1.1 Tolerance

None given.

4.2.2 Frequency of Calibration

None given.

4.2.3 Other Calibration Information

None given.

5. Data Acquisition Methods

Starch

1

2

3

4

Assay Required Solutions

Amyloglucosidase (Boehringer Mannheim) (Desiccator in freezer) 2.5 mg/mL Na-Acetate

buffer. Make fresh each day and keep on ice.

Na-Acetate buffer (50 mM NaCzH302; 0.68 g/100 mL dH20. Titrate ofpH 4.8 with glacial

acetic acid (starts at NpH 7.1) and vacuum filter. Keeps for 1 month.

PGO (peroxidase glucose oxidase, Sigma # 510-6)) capsules (Desiccator in fridge). Add on

PGO capsule to 20 mL COLD dH20 and gently mix. Keeps for 1 month.

Glucose standards (1000 ]aM, 18.02 rag/100 mL ddH20). Everything for these must be

sterile. Vacuum filter and dilute into standards of 100, 200, 400, 600, and 800 ]aM. Vacuum

filter and keep in freezer. Keeps for 1 week.

N buffer (0.1 M NaHzPO4; 2.76 g NaHzPO4/200 mL dH20). Titrate to pH 6.5 with NaOH

(HC1 to reverse) (pH starts at N4.7). Use _5 M NaOH, otherwise one adds too much volume.

DMAB (3-dimethylaminobenzoic acid, C9HIINO2, FW=165.2 Sigma D-0787) stock

solution. 496 rag/100 mL N buffer. Stir and gently heat to bring into solution for about 30

minutes. Vacuum filter. Keeps for about 1 month.

MBTH (3-methyl, 2-benzo thiazolinone hydrazoneC8H9N3S*HC1, FW= 215.7, Sigma

M-8006, stored in freezer desiccator) stock solution. Stir to bring into solution. 14 rag/100

mL N buffer. Vacuum filter. If this becomes tan/lt, brown discard. Keeps for 3 weeks to 1

month.

Procedure

1 Dry plant material for 1 hour at 100 °C, then store at 60 °C until analysis.

2 Grind tissue in mortar until it becomes a fine powder.

3 Place _15 mg ground tissue in a 1.7 mL-screwtop epitube and record weight.

*** Store at 60 °C if stopping here ***

4 Solubilize free sugars. Cool epitubes in freezer, then add 1 mL of cold dH20.

5 Vortex tubes until all tissue is evenly suspended.

6 Place epitubes at 5 °C for 20 minutes.

7 Centrifuge epitubes for 15 minutes at max speed in benchtop centrifuge.

8 Pipette off and discard supematent while keeping pellet.

9 Add 1 mL dH20 to epitubes, screw caps on tightly and vortex.

10 Solubilize the starch. Autoclave for 45 rains at 121 °C and 1.2 bars. Screw caps on (very

tightly; otherwise, fluid boils out.

11 Vortex tubes until all tissue is evenly suspended.

12 Centrifuge epitubes for 15 minutes at max speed in benchtop centrifuge.

*** Freeze if stopping here ***

Page 4
13 Convertstarchto glucosethatcanbeanalyzed.All pipettetips,epitubes,andepitubecaps

mustbesterile.Renumberasecondsetof epitubes(snaptopis acceptable)andaddthe

following:

a)200_aL50_aMNa-Acetatebuffer.

b) 100_aLof Amyloglucosidasesolution.

c) 100_aLof samplesupernatent.

Alsomakeablankepitubeby adding100_aLdH20 ratherthansample.

14 Incubatein the55°C drying oven for 1 hr.

15 Stop the reaction. Heat epitubes in the 100 °C drying oven for 5 minutes.

16 16. Centrifuge epitubes for 15 minutes at max speed in benchtop centrifuge.

*** Freeze if stopping here ***

Final glucose (_M)_L of _L MilliQ

Conc. glucose stock H20

0 0 i000

i00 i00 900

200 200 800

400 400 600

600 600 400

800 800 200

i000 i000 0

17 Convert the glucose to a colored product that can be read spectrophotometrically. The best

approach is to have the color reaction take place directly in the microtiter well, avoiding having

to transfer samples into the wells. In this process, the total mixture of solutions above must be

divided by 5 so the sample volume loaded into the well is 100 _aL. If needed, the well volume

can be brought up to 200 _aL with 100 _aL of Na-Acetate buffer to dilute samples to a readable

level. Care must be taken to mix all the solutions in the well completely. Load two wells per

sample.

a) 35 _aL MBTH

b) 35 _IL DMAB

c) 15 _aL diluted sample or standard

d) 15 _aL PGO enzyme

18 Incubate the epitubes or microtiter plate (cover with parafilm) for 25 minutes (can be longer,

BUT be consistent) at 37 °C in a water bath. The sample solutions should turn purple.

19 Measure absorbance at 595 nm on a standard spectrophotometer.

6.1 Data Notes

None given.

6.2 Field Notes

None given.

6. Observations

Page 5
7. Data Description

7.1 Spatial Characteristics

7.1.1 Spatial Coverage

The North American Datum of 1983 (NAD83) coordinates for the measurement sites are:

SSA-OBS 53. 99 ° N, 105. 12 ° W

SSA-OJP 53. 92 ° N, 104. 69 ° W

7.1.2 Spatial Coverage Map

None given.

7.1.3 Spatial Resolution

These data are point source measurements taken near the given coordinates.

7.1.4 Projection

Not applicable.

7.1.5 Grid Description

Not applicable.

7.2 Temporal Characteristics

7.2.1 Temporal Coverage

The data were collected from 24-May-1994 to 19-Sep-1994.

7.2.2 Temporal Coverage Map

None given.

7.2.3 Temporal Resolution

Monthly averages of the data were submitted.

7.3 Data Characteristics

7.3.1 Parameter/Variable

The parameters contained in the data files on the CD-ROM are:

Column Name

SITE NAME

SUB SITE

SPECIES

SAMPLE MONTH

NEEDLE AGE

SAMPLE AMOUNT

MEAN STARCH CONTENT

STD ERR STARCH CONTENT

CRTFCN CODE

REVISION DATE

Page 6
7.3.2 Variable Description/Definition

The descriptions of the parameters contained in the data files on the CD-ROM are:

Column Name Description

SITE NAME

SUB SITE

SPECIES

SAMPLE MONTH

NEEDLE AGE

SAMPLE AMOUNT

MEAN STARCH CONTENT

STD ERR STARCH CONTENT

CRTFCN CODE

REVISION DATE

The identifier assigned to the site by BOREAS, in

the format SSS-TTT-CCCCC, where SSS identifies

the portion of the study area: NSA, SSA, REG,

TRN, and TTT identifies the cover type for the

site, 999 if unknown, and CCCCC is the identifier

for site, exactly what it means will vary with

site type.

The identifier assigned to the sub-site by BOREAS

in the format GGGGG-IIIII, where GGGGG is the

group associated with the sub-site instrument,

e.g. HYD06 or STAFF, and IIIII is the identifier

for sub-site, often this will refer to an

instrument.

Botanical (Latin) name of the species (Genus

species).

The month during which the data were measured.

Age of the sampled needles, (0 : current year, 1

: 1 year old, 2 : 2 years old, etc.) .

The number of trees sampled.

The mean starch content of the sample.

Standard error for the starch content of the

sample.

The BOREAS certification level of the data.

Examples are CPI (Checked by PI), CGR (Certified

by Group), PRE (Preliminary), and CPI-??? (CPI

but questionable).

The most recent date when the information in the

referenced data base table record was revised.

7.3.3 Unit of Measurement

The measurement units for the parameters contained in the data files on the CD-ROM are:

Column Name Units

SITE NAME [none]

SUB SITE [none]

SPECIES [none]

SAMPLE MONTH [none]

NEEDLE AGE [years]

SAMPLE AMOUNT [counts]

MEAN STARCH CONTENT [percent]

STD ERR STARCH CONTENT [percent]

CRTFCN CODE [none]

REVISION DATE [DD-MON-YY]

Page 7
7.3.4 Data Source

The sources of the parameter values contained in the data files on the CD-ROM are:

Column Name Data Source

SITE NAME

SUB SITE

SPECIES

SAMPLE MONTH

NEEDLE AGE

SAMPLE AMOUNT

MEAN STARCH CONTENT

STD ERR STARCH CONTENT

CRTFCN CODE

REVISION DATE

[Assigned by BORIS Staff]

[Assigned by BORIS Staff]

Investigator

Investigator

Investigator

Investigator

None given

None given

[Assigned by BORIS Staff]

[Assigned by BORIS Staff]

7.3.5 Data Range

The following table gives information about the parameter values found in the data files on the

CD-ROM.

Minimum Maximum Missng Unrel Below Data

Data Data Data Data Detect Not

Column Name Value Value Value Value Limit Cllctd

SITE NAME SSA-OBS-FLXTR SSA-OJP-FLXTR None None None None

SUB SITE TGB08-CON01 TGB08-CON01 None None None None

SPECIES N/A N/A None None None None

SAMPLE MONTH N/A N/A None None None None

NEEDLE AGE 1 2 None None None None

SAMPLE AMOUNT i0 i0 None None None None

MEAN STARCH CONTENT 17 733 None None None None

STD ERR STARCH 38 396 None None None None

CONTENT

CRTFCN CODE CPI CPI None None None None

REVISION DATE 26-MAR-97 26-MAR-97 None None None None

Minimum Data Value -- The minimum value found in the column.

Maximum Data Value -- The maximum value found in the column.

Missng Data Value -- The value that indicates missing data. This is used to

indicate that an attempt was made to determine the

parameter value, but the attempt was unsuccessful.

Unrel Data Value -- The value that indicates unreliable data. This is used

to indicate an attempt was made to determine the

parameter value, but the value was deemed to be

unreliable by the analysis personnel.

Below Detect Limit -- The value that indicates parameter values below the

instruments detection limits. This is used to

indicate that an attempt was made to determine the

parameter value, but the analysis personnel determined

that the parameter value was below the detection

limit of the instrumentation.

Data Not Cllctd -- This value indicates that no attempt was made to

determine the parameter value. This usually

indicates that BORIS combined several similar but

not identical data sets into the same data base table

Page 8
but this particular science team did not

measure that parameter.

Blank -- Indicates that blank spaces are used to denote that type of value.

N/A -- Indicates that the value is not applicable to the respective column.

None -- Indicates that no values of that sort were found in the column.

7.4 Sample Data Record

The following are wrapped versions of data records from a sample data file on the CD-ROM.

SITE NAME,SUB SITE,SPECIES,SAMPLE MONTH,NEEDLE AGE,SAMPLE AMOUNT,

MEAN STARCH CONTENT,STD ERR STARCH CONTENT,CRTFCN CODE,REVISION DATE

'SSA-OBS-FLXTR', 'TGB08-CON01', 'Picea mariana', 'April',2,10,166.0,252.0, 'CPI',

26-MAR-97

'SSA-OBS-FLXTR', 'TGB08-CON01', 'Picea mariana', 'Aug/Sept',l,lO,355.0,225.0, 'CPI',

26-MAR-97

'SSA-OBS-FLXTR', 'TGB08-CON01', 'Picea mariana', 'AugSept',2,10,477.0,286.0, 'CPI',

26-MAR-97

8. Data Organization

8.1 Data Granularity

The smallest unit of data tracked by the BOREAS Information System (BORIS) was the starch

concentration data for a given site on a given month.

8.2 Data Format(s)

The Compact Disk-Read-Only Memory (CD-ROM) files contain American Standard Code for

Information Interchange (ASCII) numerical and character fields of varying length separated by

commas. The character fields are enclosed with single apostrophe marks. There are no spaces between

the fields.

Each data file on the CD-ROM has four header lines of Hyper-Text Markup Language (HTML)

code at the top. When viewed with a Web browser, this code displays header information (data set

title, location, date, acknowledgments, etc.) and a series of HTML links to associated data files and

related data sets. Line 5 of each data file is a list of the column names, and line 6 and following lines

contain the actual data.

9. Data Manipulations

9.1 Formulae

9.1.1 Derivation Techniques and Algorithms

None given.

9.2 Data Processing Sequence

9.2.1 Processing Steps

None given.

9.2.2 Processing Changes

None given.

Page 9
9.3 Calculations

9.3.1 Special Corrections/Adjustments

None given.

9.3.2 Calculated Variables

None.

9.4 Graphs and Plots

None.

10. Errors

10.1 Sources of Error

None given.

10.2 Quality Assessment

10.2.1 Data Validation by Source

None given.

10.2.2 Confidence Level/Accuracy Judgment

None given.

10.2.3 Measurement Error for Parameters

None given.

10.2.4 Additional Quality Assessments

None given.

10.2.5 Data Verification by Data Center

The data were examined for general consistency and clarity.

11. Notes

11.1 Limitations of the Data

None given.

11.2 Known Problems with the Data

None given.

11.3 Usage Guidance

None.

11.4 Other Relevant Information

None.

12. Application of the Data Set

None given.

Page 10
Nonegiven.

13. Future Modifications and Plans

14.1 Software Description

None given.

14.2 Software Access

None given.

14. Software

15. Data Access

The starch concentration data are available from the Earth Observing System Data and Information

System (EOSDIS) Oak Ridge National Laboratory (ORNL) Distributed Active Archive Center

(DAAC).

15.1 Contact Information

For BOREAS data and documentation please contact:

ORNL DAAC User Services

Oak Ridge National Laboratory

P.O. Box 2008 MS-6407

Oak Ridge, TN 37831-6407

Phone: (423) 241-3952

Fax: (423) 574-4665

E-mail: ornldaac@ornl.gov or ornl@eos.nasa.gov

15.2 Data Center Identification

Earth Observing System Data and Information System (EOSDIS) Oak Ridge National Laboratory

(ORNL) Distributed Active Archive Center (DAAC) for Biogeochemical Dynamics

http://www-eosdis.ornl.gov/.

15.3 Procedures for Obtaining Data

Users may obtain data directly through the ORNL DAAC online search and order system

[http://www-eosdis.ornl.gov/] and the anonymous FTP site [ftp://www-eosdis.ornl.gov/data/] or by

contacting User Services by electronic mail, telephone, fax, letter, or personal visit using the contact

information in Section 15.1.

15.4 Data Center Status/Plans

The ORNL DAAC is the primary source for BOREAS field measurement, image, GIS, and

hardcopy data products. The BOREAS CD-ROM and data referenced or listed in inventories on the

CD-ROM are available from the ORNL DAAC.

Page 11
16. Output Products and Availability

16.1 Tape Products

None.

16.2 Film Products

None.

16.3 Other Products

These data are available on the BOREAS CD-ROM series.

17. References

17.1 Platform/Sensor/Instrument/Data Processing Documentation

None given.

17.2 Journal Articles and Study Reports

Newcomer, J., D. Landis, S. Conrad, S. Curd, K. Huemmrich, D. Knapp, A. Morrell, J. Nickeson,

A. Papagno, D. Rinker, R. Strub, T. Twine, F. Hall, and P. Sellers, eds. 2000. Collected Data of The

Boreal Ecosystem-Atmosphere Study. NASA. CD-ROM.

Sellers, P. and F. Hall. 1994. Boreal Ecosystem-Atmosphere Study: Experiment Plan. Version

1994-3.0, NASA BOREAS Report (EXPLAN 94).

Sellers, P. and F. Hall. 1996. Boreal Ecosystem-Atmosphere Study: Experiment Plan. Version

1996-2.0, NASA BOREAS Report (EXPLAN 96).

Sellers, P., F. Hall, and K.F. Huemmrich. 1996. Boreal Ecosystem-Atmosphere Study: 1994

Operations. NASA BOREAS Report (OPS DOC 94).

Sellers, P., F. Hall, and K.F. Huemmrich. 1997. Boreal Ecosystem-Atmosphere Study: 1996

Operations. NASA BOREAS Report (OPS DOC 96).

Sellers, P., F. Hall, H. Margolis, B. Kelly, D. Baldocchi, G. den Hartog, J. Cihlar, M.G. Ryan, B.

Goodison, P. Crill, K.J. Ranson, D. Lettenmaier, and D.E. Wickland. 1995. The boreal

ecosystem-atmosphere study (BOREAS): an overview and early results from the 1994 field year.

Bulletin of the American Meteorological Society. 76(9): 1549-1577.

Sellers, P.J., F.G. Hall, R.D. Kelly, A. Black, D. Baldocchi, J. Berry, M. Ryan, K.J. Ranson, P.M.

Crill, D.P. Lettenmaier, H. Margolis, J. Cihlar, J. Newcomer, D. Fitzjarrald, P.G. Jarvis, S.T.

Gower, D. Halliwell, D. Williams, B. Goodison, D.E. Wickland, and F.E. Guertin. 1997. BOREAS

in 1997: Experiment Overview, Scientific Results and Future Directions. Journal of Geophysical

Research 102(D24): 28,731-28,770.

17.3 Arehive/DBMS Usage Documentation

None.

None given.

18. Glossary of Terms

Page 12
ASCII

BOREAS

BORIS

CD-ROM

DAAC

E1

EOS

EOSDIS

FID

GC/MS

GIS

GSFC

HTML

NAD83

NASA

NMHC

NSA

OA

OBS

OJP

ORNL

PANP

SSA

TF

TGB

TKN

URL

19. List of Acronyms

- American Standard Code for Information

- BOReal Ecosystem-Atmosphere Study

- BOREAS Information System

- Compact Disk-Read-Only Memory

- Distributed Active Archive Center

- Electron Ionization

- Earth Observing System

- EOS Data and Information System

- Flame Ionization Detector

- Gas Chromatograph/Mass Spectrometer

- Geographic Information System

- Goddard Space Flight Center

- Hyper-Text Markup Language

- North American Datum of 1983

- National Aeronautics and Space

- Nonmethane Hydrocarbon

- Northern Study Area

- Old Aspen

- Old Black Spruce

- Old Jack Pine

- Oak Ridge National Laboratory

- Prince Albert National Park

- Southern Study Area

- Tower Flux

- Trace Gas Biogeochemistry

- Total Kjeldahl Nitrogen

- Uniform Resource Locator

Interchange

Administration

20. Document Information

20.1 Document Revision Date

Written: 27-Jul- 1997

Last updated: 06-Aug- 1999

20.2 Document Review Date(s)

BORIS Review: 28-Aug- 1998

Science Review:

20.3 Document ID

20.4 Citation

When using these data, please include the following acknowledgment as well as citations of

relevant papers in Section 17.2:

Manuel Lerdau: Department of Ecology and Evolution, State University of New York, Stony

Brook, NY 11794-5245 Marcy Litvak and Russell Monson: Department of Environmental, population

and Organismic Biology, University of Colorado, Boulder, CO 80309

Page 13
If usingdatafromtheBOREASCD-ROM series,alsoreferencethedataas:

Lerdau,M., "TheRelationshipBetweenNon-MethaneHydrocarbonEmissionandLeafCarbon

Balancein theBorealForest:An Approachfor MechanisticEcosystemModeling."In CollectedDataof

TheBorealEcosystem-AtmosphereStudy.Eds.J.Newcomer,D. Landis,S.Conrad,S.Curd,K.

Huemmrich,D. Knapp,A. Morrell, J.Nickeson,A. Papagno,D. Rinker, R.Strub,T. Twine, F.

Hall, andP.Sellers.CD-ROM.NASA, 2000.

Also,citetheBOREASCD-ROMsetas:

Newcomer,J.,D. Landis,S.Conrad,S.Curd,K. Huemmrich,D. Knapp,A. Morrell, J.

Nickeson,A. Papagno,D. Rinker,R.Strub,T. Twine,F. Hall, andP.Sellers,eds.CollectedDataof

TheBorealEcosystem-AtmosphereStudy.NASA. CD-ROM.NASA, 2000.

20.5 Document Curator

20.6 Document URL

Page 14
REPORT DOCUMENTATION PAGE FormApproved

OMB No. 0704-0188

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1. AGENCY USE ONLY (Leave blank) 2. REPORT DATE 3. REPORT TYPE AND DATES COVERED

November 2000 Technical Memorandum

4. TITLE AND SUBTITLE

Technical Report Series on the Boreal Ecosystem-Atmosphere Study (BOREAS)

BOREAS TGB-8 Starch Concentration Data over the SSA-OBS and the SSA-OJP

6. AUTHOR(S)

Manuel Lerdau

Forrest G. Hall and Sara K. Conrad, Editors

7. PERFORMING ORGANIZATION NAME(S) AND ADDRESS (ES)

Goddard Space Flight Center

Greenbelt, Maryland 20771

9. SPONSORING / MONITORING AGENCY NAME(S) AND ADDRESS (ES)

National Aeronautics and Space Administration

Washington, DC 20546-0001

5. FUNDING NUMBERS

923

RTOP: 923-462-33-01

8. PEFORMING ORGANIZATION

REPORT NUMBER

2000-03136-0

10. SPONSORING / MONITORING

AGENCY REPORT NUMBER

TM--2000-209891

Vol. 239

11. SUPPLEMENTARY NOTES

M. Lerdau: State University of New York, Stony Brook; S.K. Conrad: Raytheon ITSS

12a. DISTRIBUTION / AVAILABILITY STATEMENT

Unclassifie_Unlimited

Subject Category: 43

Report available from the NASA Center for AeroSpace Information,

7121 Standard Drive, Hanover, MD 21076-1320. (301) 621-0390.

12b. DISTRIBUTION CODE

13. ABSTRACT (Maximum 200 words)

The BOREAS TGB-8 team collected data to investigate the controls over NMHC fluxes from boreal

forest tree species. This data set includes measurements of starch concentrations in foliar samples at

mature jack pine and black spruce sites. The data were collected at the OJP and OBS tower flux

locations in the BOREAS SSA. These areas contained mature stands of jack pine and black spruce and

were the focal sites in the BOREAS program for studies of biosphere/atmosphere exchange from these

two habitat types. The OBS site is situated in a black spruce/sphagnum bog with the largest trees 155

years old and 10-15 m tall. The OJP site is in a jack pine forest, 80 to 120 years old, which lies on a

sandy bench of glacial outwash with the largest tree standing 15 m tall. Temporally, the data cover the

period of 24-May-1994 to 19-Sep-1994. The data are stored in tabular ASCII files.

14. SUBJECT TERMS

BOREAS, trace gas biogeochemistry.

17. SECURITY CLASSIFICATION

OF REPORT

Unclassified

NSN 7540-01-280-5500

18. SECURITY CLASSIFICATION

OF THIS PAGE

Unclassified

19. SECURITY CLASSIFICATION

OF ABSTRACT

Unclassified

15. NUMBER OF PAGES

14

16. PRICE CODE

20. LIMITATION OF ABSTRACT

UL

Standard Form 298 (Rev. 2-89)

Prescribed by ANSI Std. Z39.18

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