Review of Comprehensive Measurements of Speciated NOy and its Chemistry: Need for Quantifying the Role of Heterogeneous Processes of HNO3 and HONO
Abstract To improve the credibility of chemistry schemes employed in chemical transport models (CTMs) aiming at predicting ozone mixing ratios in urban, rural, and regional scales, validation of models not only by observational data of O3 and NOx but also by individual species of reactive nitrogen N...
Saved in:
| Main Authors: | , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Springer
2020-11-01
|
| Series: | Aerosol and Air Quality Research |
| Subjects: | |
| Online Access: | https://doi.org/10.4209/aaqr.2020.07.0395 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1823862790746537984 |
|---|---|
| author | Hajime Akimoto Hiroshi Tanimoto |
| author_facet | Hajime Akimoto Hiroshi Tanimoto |
| author_sort | Hajime Akimoto |
| collection | DOAJ |
| description | Abstract To improve the credibility of chemistry schemes employed in chemical transport models (CTMs) aiming at predicting ozone mixing ratios in urban, rural, and regional scales, validation of models not only by observational data of O3 and NOx but also by individual species of reactive nitrogen NOy is necessary because the formation and dissipation of O3 in the atmosphere occur via reactions accompanying the transformation of NOx and NOy. The disagreement of the simulated results of CTM with observational data of HNO3 and HONO have often been reported, and this paper reviews previous studies on the heterogeneous “renoxification” reaction of gaseous HNO3 to form NO, NO2, and/or HONO; the formation of HONO from the heterogeneous dark reaction of NO2 and H2O, and the photolysis of adsorbed HNO3 and NO3 − on surfaces. For the further validation of CTMs with individual species of NOy, previous field studies of comprehensive observation of NOy speciation in ground-based and aircraft campaigns have also been reviewed. Studies combining observations of speciated NOy and model simulations need to be performed to improve chemistry models used in CTMs. |
| format | Article |
| id | doaj-art-1ae0c9b1302847d6b23108d55aedac89 |
| institution | Kabale University |
| issn | 1680-8584 2071-1409 |
| language | English |
| publishDate | 2020-11-01 |
| publisher | Springer |
| record_format | Article |
| series | Aerosol and Air Quality Research |
| spelling | doaj-art-1ae0c9b1302847d6b23108d55aedac892025-02-09T12:21:39ZengSpringerAerosol and Air Quality Research1680-85842071-14092020-11-0121211210.4209/aaqr.2020.07.0395Review of Comprehensive Measurements of Speciated NOy and its Chemistry: Need for Quantifying the Role of Heterogeneous Processes of HNO3 and HONOHajime Akimoto0Hiroshi Tanimoto1National Institute for Environmental StudiesNational Institute for Environmental StudiesAbstract To improve the credibility of chemistry schemes employed in chemical transport models (CTMs) aiming at predicting ozone mixing ratios in urban, rural, and regional scales, validation of models not only by observational data of O3 and NOx but also by individual species of reactive nitrogen NOy is necessary because the formation and dissipation of O3 in the atmosphere occur via reactions accompanying the transformation of NOx and NOy. The disagreement of the simulated results of CTM with observational data of HNO3 and HONO have often been reported, and this paper reviews previous studies on the heterogeneous “renoxification” reaction of gaseous HNO3 to form NO, NO2, and/or HONO; the formation of HONO from the heterogeneous dark reaction of NO2 and H2O, and the photolysis of adsorbed HNO3 and NO3 − on surfaces. For the further validation of CTMs with individual species of NOy, previous field studies of comprehensive observation of NOy speciation in ground-based and aircraft campaigns have also been reviewed. Studies combining observations of speciated NOy and model simulations need to be performed to improve chemistry models used in CTMs.https://doi.org/10.4209/aaqr.2020.07.0395Reactive nitrogenNitric acidNitrous acidOzoneChemical transport model |
| spellingShingle | Hajime Akimoto Hiroshi Tanimoto Review of Comprehensive Measurements of Speciated NOy and its Chemistry: Need for Quantifying the Role of Heterogeneous Processes of HNO3 and HONO Aerosol and Air Quality Research Reactive nitrogen Nitric acid Nitrous acid Ozone Chemical transport model |
| title | Review of Comprehensive Measurements of Speciated NOy and its Chemistry: Need for Quantifying the Role of Heterogeneous Processes of HNO3 and HONO |
| title_full | Review of Comprehensive Measurements of Speciated NOy and its Chemistry: Need for Quantifying the Role of Heterogeneous Processes of HNO3 and HONO |
| title_fullStr | Review of Comprehensive Measurements of Speciated NOy and its Chemistry: Need for Quantifying the Role of Heterogeneous Processes of HNO3 and HONO |
| title_full_unstemmed | Review of Comprehensive Measurements of Speciated NOy and its Chemistry: Need for Quantifying the Role of Heterogeneous Processes of HNO3 and HONO |
| title_short | Review of Comprehensive Measurements of Speciated NOy and its Chemistry: Need for Quantifying the Role of Heterogeneous Processes of HNO3 and HONO |
| title_sort | review of comprehensive measurements of speciated noy and its chemistry need for quantifying the role of heterogeneous processes of hno3 and hono |
| topic | Reactive nitrogen Nitric acid Nitrous acid Ozone Chemical transport model |
| url | https://doi.org/10.4209/aaqr.2020.07.0395 |
| work_keys_str_mv | AT hajimeakimoto reviewofcomprehensivemeasurementsofspeciatednoyanditschemistryneedforquantifyingtheroleofheterogeneousprocessesofhno3andhono AT hiroshitanimoto reviewofcomprehensivemeasurementsofspeciatednoyanditschemistryneedforquantifyingtheroleofheterogeneousprocessesofhno3andhono |