Published July 22, 2025 | Version v1
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Branch-level emission rates of volatile organic compounds, ozone reactivity, and related data for sweet gum, oak, and loblolly pine during the SOAS campaign (3.6-5.7.2013) at SEARCH-CRT

Creators

  • 1. Finnish Meteorological Institute

Description

This dataset contains branch-level emissions emission factors, total ozone reactivity, and related data from sweetgum, white oak, and loblolly pine during the Southeast Oxidant and Aerosol Study (SOAS) campaign at the SEARCH facility near Centerville (SEARCH-CRT) at the Alabama Aquatic Biodiversity Center (AABC) from May to July 2013.

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Checksum: md5:fe2bac95bcb51f0be6d4a2a6c1ae62ee

PID: http://hdl.handle.net/11304/30061ffc-4978-48f4-92a2-75d8da9728c1
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Additional details

Identifiers

URL
https://etsin.fairdata.fi/dataset/f2f4bdf1-98ae-4ff2-87d1-5b0c6113060e
b2rec
6c72746cddce4d709afbd3ca7bdf742a

Funding

National Science Foundation

FMI metadata

Parameter
  • Parameter name: local summer time (UTC-5) in format yyyy-mm-dd HH:MM
  • Parameter unit: -
  • Parameter description: timestamp
  • Parameter name: tree species measured
  • Parameter unit: -
  • Parameter description: tree
  • Parameter name: number ID of the branch measured
  • Parameter unit: -
  • Parameter description: branch #
  • Parameter name: recorded differential ozone signal from the total ozone reactivity monitor (TORM)
  • Parameter unit: ppbv
  • Parameter description: Δ[O3]
  • Parameter name: ozone wall losses in the reactor (measured by introducing clean/zero air into the reactor)
  • Parameter unit: ppbv
  • Parameter description: Δ[O3]_wl
  • Parameter name: corrected differential ozone for ozone wall losses
  • Parameter unit: ppbv
  • Parameter description: Δ[O3]_corr
  • Parameter name: recorded ozone concentration of air going to TORM’s reactor
  • Parameter unit: ppbv
  • Parameter description: [O3]_0
  • Parameter name: calculated ozone reactivity in TORM’s reactor (same as sample’s ozone reactivity, dilution negligible)
  • Parameter unit: 1/s
  • Parameter description: Rsample
  • Parameter name: corrected Rsample for fast-reacting compounds (based on model calculations)
  • Parameter unit: 1/s
  • Parameter description: Rsample_corr3.1
  • Parameter name: corrected Rsample for fast-reacting compounds (based on model calculations including secondary chemistry)
  • Parameter unit: 1/s
  • Parameter description: Rsample_corr1.9
  • Parameter name: measured total flow through TORM’s reactor
  • Parameter unit: l/min
  • Parameter description: f
  • Parameter name: measured dry mass of the leaves inside the branch enclosure during measurements
  • Parameter unit: g
  • Parameter description: m_dry
  • Parameter name: differential ozone signal from the total ozone reactivity monitor (TORM) normalized to dry mass and flow through enclosure
  • Parameter unit: ppbv m^3 / (s g)
  • Parameter description: Δ[O3]_norm
  • Parameter name: total ozone reactivity of the emissions (TOZRE)
  • Parameter unit: m^3 / (s^2 g)
  • Parameter description: TOZRE
  • Parameter name: corrected TOZRE when fast-reacting compounds are present (based on model calculations)
  • Parameter unit: m^3 / (s^2 g)
  • Parameter description: TOZRE_corr3.1
  • Parameter name: corrected TOZRE when fast-reacting compounds are present (based on model calculations, including secondary chemistry)
  • Parameter unit: m^3 / (s^2 g)
  • Parameter description: TOZRE_corr1.9
  • Parameter name: photosynthetically active radiation
  • Parameter unit: μmol / (m^2 s)
  • Parameter description: PAR
  • Parameter name: ambient temperature (outside the enclosure)
  • Parameter unit: °C
  • Parameter description: Tambient
  • Parameter name: temperature inside the enclosure
  • Parameter unit: °C
  • Parameter description: Tenclosure
  • Parameter name: leaf temperature (first sensor)
  • Parameter unit: °C
  • Parameter description: Tleaf_1
  • Parameter name: leaf temperature (second sensor)
  • Parameter unit: °C
  • Parameter description: Tleaf_2
  • Parameter name: time in the middle of the sampling period in format yyyy-mm-dd HH:MM (local summer time, UTC-5)
  • Parameter unit: -
  • Parameter description: datetime
  • Parameter name: sampling start time in format yyyy-mm-dd HH:MM (local summer time, UTC-5)
  • Parameter unit: -
  • Parameter description: sampling_starttime
  • Parameter name: sampling duration to collect BVOCs on cartridges
  • Parameter unit: min
  • Parameter description: t_sampling
  • Parameter name: flow rate for sampling of the BVOCs on cartridges
  • Parameter unit: ml/min
  • Parameter description: f_sampling
  • Parameter name: sample volume
  • Parameter unit: ml
  • Parameter description: V_sample
  • Parameter name: mixing ratio in the enclosure for BVOC 1-pentene
  • Parameter unit: pptv
  • Parameter description: 1-pentene
  • Parameter name: mixing ratio in the enclosure for BVOC n-pentane
  • Parameter unit: pptv
  • Parameter description: n-pentane
  • Parameter name: mixing ratio in the enclosure for BVOC isoprene
  • Parameter unit: pptv
  • Parameter description: isoprene
  • Parameter name: mixing ratio in the enclosure for BVOC n-hexane
  • Parameter unit: pptv
  • Parameter description: n-hexane
  • Parameter name: mixing ratio in the enclosure for BVOC benzene
  • Parameter unit: pptv
  • Parameter description: benzene
  • Parameter name: mixing ratio in the enclosure for BVOC i-octane
  • Parameter unit: pptv
  • Parameter description: i-octane
  • Parameter name: mixing ratio in the enclosure for BVOC n-heptane
  • Parameter unit: pptv
  • Parameter description: n-heptane
  • Parameter name: mixing ratio in the enclosure for BVOC toluene
  • Parameter unit: pptv
  • Parameter description: toluene
  • Parameter name: mixing ratio in the enclosure for BVOC n-octane
  • Parameter unit: pptv
  • Parameter description: n-octane
  • Parameter name: mixing ratio in the enclosure for BVOC styrene
  • Parameter unit: pptv
  • Parameter description: styrene
  • Parameter name: mixing ratio in the enclosure for BVOC n-nonane
  • Parameter unit: pptv
  • Parameter description: n-nonane
  • Parameter name: mixing ratio in the enclosure for BVOC 1-methylethylbenzene
  • Parameter unit: pptv
  • Parameter description: 1-methylethylbenzene
  • Parameter name: mixing ratio in the enclosure for BVOC α-pinene
  • Parameter unit: pptv
  • Parameter description: α-pinene
  • Parameter name: mixing ratio in the enclosure for BVOC camphene
  • Parameter unit: pptv
  • Parameter description: camphene
  • Parameter name: mixing ratio in the enclosure for BVOC β-pinene
  • Parameter unit: pptv
  • Parameter description: β-pinene
  • Parameter name: mixing ratio in the enclosure for BVOC n-decane
  • Parameter unit: pptv
  • Parameter description: n-decane
  • Parameter name: mixing ratio in the enclosure for BVOC α-phellandrene
  • Parameter unit: pptv
  • Parameter description: α-phellandrene
  • Parameter name: mixing ratio in the enclosure for BVOC limonene
  • Parameter unit: pptv
  • Parameter description: limonene
  • Parameter name: mixing ratio in the enclosure for BVOC β-phellandrene
  • Parameter unit: pptv
  • Parameter description: β-phellandrene
  • Parameter name: mixing ratio in the enclosure for BVOC ocimene
  • Parameter unit: pptv
  • Parameter description: ocimene
  • Parameter name: mixing ratio in the enclosure for BVOC 1,2,3,4-tetrahydronaphthalene
  • Parameter unit: pptv
  • Parameter description: 1,2,3,4-tetrahydronaphthalene
  • Parameter name: mixing ratio in the enclosure for BVOC n-dodecane
  • Parameter unit: ppbv
  • Parameter description: n-dodecane
  • Parameter name: mixing ratio in the enclosure for BVOC n-tridecane
  • Parameter unit: ppbv
  • Parameter description: n-tridecane
  • Parameter name: mixing ratio in the enclosure for BVOC 1,3,5-tris(1-methylethyl)benzene
  • Parameter unit: pptv
  • Parameter description: 1,3,5-tris(1-methylethyl)benzene
  • Parameter name: mixing ratio in the enclosure for BVOC n-tetradecane
  • Parameter unit: ppbv
  • Parameter description: n-tetradecane
  • Parameter name: mixing ratio in the enclosure for BVOC β-caryophyllene
  • Parameter unit: pptv
  • Parameter description: β-caryophyllene
  • Parameter name: mixing ratio in the enclosure for BVOC n-pentadecane
  • Parameter unit: ppbv
  • Parameter description: n-pentadecane
  • Parameter name: mixing ratio in the enclosure for BVOC nonyl-benzene
  • Parameter unit: pptv
  • Parameter description: nonyl-benzene
  • Parameter name: mixing ratio in the enclosure for BVOC n-hexadecane
  • Parameter unit: ppbv
  • Parameter description: n-hexadecane
  • Parameter name: emission rate for the BVOC 1-pentene
  • Parameter unit: ng / (g s)
  • Parameter description: ER1-pentene
  • Parameter name: emission rate for the BVOC isoprene
  • Parameter unit: ng / (g s)
  • Parameter description: ERisoprene
  • Parameter name: emission rate for the BVOC styrene
  • Parameter unit: ng / (g s)
  • Parameter description: ERstyrene
  • Parameter name: emission rate for the BVOC α-pinene
  • Parameter unit: ng / (g s)
  • Parameter description: ERα-pinene
  • Parameter name: emission rate for the BVOC camphene
  • Parameter unit: ng / (g s)
  • Parameter description: ERcamphene
  • Parameter name: emission rate for the BVOC β-pinene
  • Parameter unit: ng / (g s)
  • Parameter description: ERβ-pinene
  • Parameter name: emission rate for the BVOC α-phellandrene
  • Parameter unit: ng / (g s)
  • Parameter description: ERα-phellandrene
  • Parameter name: emission rate for the BVOC limonene
  • Parameter unit: ng / (g s)
  • Parameter description: ERlimonene
  • Parameter name: emission rate for the BVOC β-phellandrene
  • Parameter unit: ng / (g s)
  • Parameter description: ERβ-phellandrene
  • Parameter name: emission rate for the BVOC ocimene
  • Parameter unit: ng / (g s)
  • Parameter description: ERocimene
  • Parameter name: emission rate for the BVOC β-caryophyllene
  • Parameter unit: ng / (g s)
  • Parameter description: ERβ-caryophyllene
  • Parameter name: calculated ozone reactivity for 1-pentene
  • Parameter unit: 1/s
  • Parameter description: RO31-pentene
  • Parameter name: calculated ozone reactivity for isoprene
  • Parameter unit: 1/s
  • Parameter description: RO3isoprene
  • Parameter name: calculated ozone reactivity for styrene
  • Parameter unit: 1/s
  • Parameter description: RO3styrene
  • Parameter name: calculated ozone reactivity for α-pinene
  • Parameter unit: 1/s
  • Parameter description: RO3α-pinene
  • Parameter name: calculated ozone reactivity for camphene
  • Parameter unit: 1/s
  • Parameter description: RO3camphene
  • Parameter name: calculated ozone reactivity for β-pinene
  • Parameter unit: 1/s
  • Parameter description: RO3β-pinene
  • Parameter name: calculated ozone reactivity for α-phellandrene
  • Parameter unit: 1/s
  • Parameter description: RO3α-phellandrene
  • Parameter name: calculated ozone reactivity for limonene
  • Parameter unit: 1/s
  • Parameter description: RO3limonene
  • Parameter name: calculated ozone reactivity for β-phellandrene
  • Parameter unit: 1/s
  • Parameter description: RO3β-phellandrene
  • Parameter name: calculated ozone reactivity for ocimene
  • Parameter unit: 1/s
  • Parameter description: RO3ocimene
  • Parameter name: calculated ozone reactivity for β-caryophyllene
  • Parameter unit: 1/s
  • Parameter description: RO3β-caryophyllene
  • Parameter name: sum of ozone reactivity for identified emissions
  • Parameter unit: 1/s
  • Parameter description: R_O3
  • Parameter name: calculated ozone reactivity of the emissions (COZRE)
  • Parameter unit: m^3 / (s^2 g)
  • Parameter description: COZRE
  • Parameter name: total ozone reactivity of the emissions (TOZRE) averaged for sampling time of BVOCs
  • Parameter unit: m^3 / (s^2 g)
  • Parameter description: TOZRE
  • Parameter name: unexplained TOZRE
  • Parameter unit: m^3 / (s^2 g)
  • Parameter description: unexplainedTOZRE
  • Parameter name: corrected averaged TOZRE when fast-reacting compounds are present (based on model calculations, including secondary chemistry)
  • Parameter unit: m^3 / (s^2 g)
  • Parameter description: TOZRE_corr1.9
  • Parameter name: corrected averaged TOZRE when fast-reacting compounds are present (based on model calculations)
  • Parameter unit: m^3 / (s^2 g)
  • Parameter description: TOZRE_corr3.1
  • Parameter name: expected ozone reactivity of the emissions in TORM using modelled Δ[O3] when fast-reacting compounds are present (including secondary chemistry)
  • Parameter unit: m^3 / (s^2 g)
  • Parameter description: Modelled reactivity (O3+VOC+OVOC)
  • Parameter name: expected ozone reactivity of the emissions in TORM using modelled Δ[O3] when fast-reacting compounds are present
  • Parameter unit: m^3 / (s^2 g)
  • Parameter description: Modelled reactivity (O3+VOC only)
  • Parameter name: expected ozone reactivity of the emissions in TORM using modelled Δ[O3] for all BVOCs when fast-reacting compounds are present (including secondary chemistry)
  • Parameter unit: m^3 / (s^2 g)
  • Parameter description: unexplainedTOZRE_1.9
  • Parameter name: expected ozone reactivity of the emissions in TORM using modelled Δ[O3] for all BVCOs when fast-reacting compounds are present
  • Parameter unit: m^3 / (s^2 g)
  • Parameter description: unexplainedTOZRE_3.1
  • Parameter name: time since the beginning of the model run
  • Parameter unit: s
  • Parameter description: time
  • Parameter name: ozone mixing ratio considering VOC + O3 -> OVOC (kO3) for initial O3 mixing ratio of 105ppbv with 1.6 ppbv of β-caryohyllene and 0.038 ppbv of α-phellandrene
  • Parameter unit: ppbv
  • Parameter description: O3+VOC (Non-Linear Relationship)
  • Parameter name: ozone mixing ratio considering VOC + O3 -> OVOC (kO3) for initial O3 mixing ratio of 105ppbv with 1.6 ppbv of β-caryohyllene and 0.038 ppbv of α-phellandrene (only for the initial decay when it can be represented by a linear relationship)
  • Parameter unit: ppbv
  • Parameter description: O3+VOC (Linear Relationship)
  • Parameter name: ozone mixing ratio considering VOC + O3 -> OVOC and OVOC + O3 (same kO3) for initial O3 mixing ratio of 105ppbv with 1.6 ppbv of β-caryohyllene and 0.038 ppbv of α-phellandrene
  • Parameter unit: ppbv
  • Parameter description: O3+OVOC (Non-Linear Relationship)
  • Parameter name: ozone mixing ratio considering VOC + O3 -> OVOC and OVOC + O3 (same kO3) for initial O3 mixing ratio of 105ppbv with 1.6 ppbv of β-caryohyllene and 0.038 ppbv of α-phellandrene (only for the initial decay when it can be represented by a linear relationship)
  • Parameter unit: ppbv
  • Parameter description: O3+OVOC (Linear Relationship)
Data levels (meter, hectoPascal, degree, sigma pressure levels, other) in vertical direction(+/-) for example 1500 m or 850 hPa
  • Level: 5 m
Topic category
climatologyMeteorologyAtmosphere

Temporal Coverage

Ranges:

Start date: 2013-06-03
End date: 2013-07-05

Locations

SEARCH facility near Centerville (SEARCH-CRT) at the Alabama Aquatic Biodiversity Center (AABC) Point:
(Lon: 32.9029, Lat: -87.2497 )