Dataset Information

Economic impacts of ambient ozone pollution on wood production in Italy.

ABSTRACT: Worldwide, tropospheric ozone (O₃) is a potential threat to wood production, but our understanding of O₃ economic impacts on forests is still limited. To overcome this issue, we developed an approach for integrating O₃ risk modelling and economic estimates, by using the Italian forests as a case study. Results suggested a significant impact of O₃ expressed in terms of stomatal flux with an hourly threshold of uptake (Y?=?1 nmol O₃ m^-2 leaf area s^-1 to represent the detoxification capacity of trees), i.e. POD1. In 2005, the annual POD1 averaged over Italy was 20.4 mmol m^-2 and the consequent potential damage ranged from 790.90 M€ to 2.85 B€ of capital value (i.e. 255-869 € ha^-1, on average) depending on the interest rate. The annual damage ranged from 31.6 to 57.1 M€ (i.e. 10-17 € ha^-1 per year, on average). There was also a 1.1% reduction in the profitable forest areas, i.e. with a positive Forest Expectation Value (FEV), with significant declines of the annual national wood production of firewood (-?7.5%), timber pole (-?7.4%), roundwood (-?5.0%) and paper mill (-?4.8%). Results were significantly different in the different Italian regions. We recommend our combined approach for further studies under different economic and phytoclimatic conditions.

SUBMITTER: Sacchelli S

PROVIDER: S-EPMC7794517 | biostudies-literature | 2021 Jan

REPOSITORIES: biostudies-literature

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Economic impacts of ambient ozone pollution on wood production in Italy.

Sacchelli Sandro S Carrari Elisa E Paoletti Elena E Anav Alessandro A Hoshika Yasutomo Y Sicard Pierre P Screpanti Augusto A Chirici Gherardo G Cocozza Claudia C De Marco Alessandra A

Scientific reports 20210108 1

Worldwide, tropospheric ozone (O3) is a potential threat to wood production, but our understanding of O3 economic impacts on forests is still limited. To overcome this issue, we developed an approach for integrating O3 risk modelling and economic estimates, by using the Italian forests as a case study. Results suggested a significant impact of O3 expressed in terms of stomatal flux with an hourly threshold of uptake (Y = 1 nmol O3 m-2</ ...[more]

PMID: 33420285

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Project description:In this work, we use observations and experimental emissions in a version of NOAA's National Air Quality Forecasting Capability to show that the COVID-19 economic slowdown led to disproportionate impacts on near-surface ozone concentrations across the contiguous U.S. (CONUS). The data-fusion methodology used here includes both U.S. EPA Air Quality System ground and the NASA Aura satellite Ozone Monitoring Instrument (OMI) NO2 observations to infer the representative emissions changes due to the COVID-19 economic slowdown in the U.S. Results show that there were widespread decreases in anthropogenic (e.g., NOx) emissions in the U.S. during March-June 2020, which led to widespread decreases in ozone concentrations in the rural regions that are NOx-limited, but also some localized increases near urban centers that are VOC-limited. Later in June-September, there were smaller decreases, and potentially some relative increases in NOx emissions for many areas of the U.S. (e.g., south-southeast) that led to more extensive increases in ozone concentrations that are partly in agreement with observations. The widespread NOx emissions changes also alters the O3 photochemical formation regimes, most notably the NOx emissions decreases in March-April, which can enhance (mitigate) the NOx-limited (VOC-limited) regimes in different regions of CONUS. The average of all AirNow hourly O3 changes for 2020-2019 range from about +1 to -4 ppb during March-September, and are associated with predominantly urban monitoring sites that demonstrate considerable spatiotemporal variability for the 2020 ozone changes compared to the previous five years individually (2015-2019). The simulated maximum values of the average O3 changes for March-September range from about +8 to -4 ppb (or +40 to -10%). Results of this work have implications for the use of widespread controls of anthropogenic emissions, particularly those from mobile sources, used to curb ozone pollution under the current meteorological and climate conditions in the U.S.

Dataset Information

Economic impacts of ambient ozone pollution on wood production in Italy.

Publications

Economic impacts of ambient ozone pollution on wood production in Italy.

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