Search Results - "Harris, Neil R. P."
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Detecting recovery of the stratospheric ozone layer
Published in Nature (London) (14-09-2017)“…As a result of the 1987 Montreal Protocol and its amendments, the atmospheric loading of anthropogenic ozone-depleting substances is decreasing. Accordingly,…”
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Atmospheric isoprene measurements reveal larger-than-expected Southern Ocean emissions
Published in Nature communications (22-03-2024)“…Isoprene is a key trace component of the atmosphere emitted by vegetation and other organisms. It is highly reactive and can impact atmospheric composition and…”
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On ozone trend detection: using coupled chemistry–climate simulations to investigate early signs of total column ozone recovery
Published in Atmospheric chemistry and physics (01-06-2018)“…Total column ozone values from an ensemble of UM-UKCA model simulations are examined to investigate different definitions of progress on the road to ozone…”
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Airborne measurements of organic bromine compounds in the Pacific tropical tropopause layer
Published in Proceedings of the National Academy of Sciences - PNAS (10-11-2015)“…Very short-lived brominated substances (VSLBr) are an important source of stratospheric bromine, an effective ozone destruction catalyst. However, the accurate…”
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Methane emissions from oil and gas platforms in the North Sea
Published in Atmospheric chemistry and physics (02-08-2019)“…Since 1850 the concentration of atmospheric methane (CH4), a potent greenhouse gas, has more than doubled. Recent studies suggest that emission inventories may…”
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A growing threat to the ozone layer from short-lived anthropogenic chlorocarbons
Published in Atmospheric chemistry and physics (12-10-2017)“…Large and effective reductions in emissions of long-lived ozone-depleting substance (ODS) are being achieved through the Montreal Protocol, the effectiveness…”
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Diagnosing the radiative and chemical contributions to future changes in tropical column ozone with the UM-UKCA chemistry–climate model
Published in Atmospheric chemistry and physics (20-11-2017)“…Chemical and dynamical drivers of trends in tropical total-column ozone (TCO3) for the recent past and future periods are explored using the UM-UKCA (Unified…”
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Transport of short-lived halocarbons to the stratosphere over the Pacific Ocean
Published in Atmospheric chemistry and physics (31-01-2020)“…The effectiveness of transport of short-lived halocarbons to the upper troposphere and lower stratosphere remains an important uncertainty in quantifying the…”
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Estimating the size of a methane emission point source at different scales: from local to landscape
Published in Atmospheric chemistry and physics (29-06-2017)“…High methane (CH4) mixing ratios (up to 4 ppm) have occurred sporadically at our measurement site in Haddenham, Cambridgeshire, since July 2012. Isotopic…”
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Observations of an atmospheric chemical equator and its implications for the tropical warm pool region
Published in Journal of Geophysical Research - Atmospheres (27-10-2008)“…This paper reports observations of a tropospheric chemical equator in the Western Pacific region during the Austral monsoon season, separating the polluted…”
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iDirac: a field-portable instrument for long-term autonomous measurements of isoprene and selected VOCs
Published in Atmospheric measurement techniques (19-02-2020)“…The iDirac is a new instrument to measure selected hydrocarbons in the remote atmosphere. A robust design is central to its specifications, with portability,…”
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Seasonal and long term variations of surface ozone concentrations in Malaysian Borneo
Published in The Science of the total environment (15-12-2016)“…Malaysian Borneo has a lower population density and is an area known for its lush rainforests. However, changes in pollutant profiles are expected due to…”
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Surface fluxes of bromoform and dibromomethane over the tropical western Pacific inferred from airborne in situ measurements
Published in Atmospheric chemistry and physics (15-10-2018)“…We infer surface fluxes of bromoform (CHBr3) and dibromoform (CH2Br2) from aircraft observations over the western Pacific using a tagged version of the…”
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Potential climatic transitions with profound impact on Europe: Review of the current state of six ‘tipping elements of the climate system’
Published in Climatic change (01-02-2012)“…We discuss potential transitions of six climatic subsystems with large-scale impact on Europe, sometimes denoted as tipping elements. These are the ice sheets…”
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Prolonged stratospheric ozone loss in the 1995-96 Arctic winter
Published in Nature (London) (23-10-1997)“…It is well established that extensive depletion of ozone, initiated by heterogenous reactions on polar stratospheric clouds (PSCs) can occur in both the Arctic…”
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Observational evidence for chemical ozone depletion over the Arctic in winter 1991-92
Published in Nature (London) (11-05-1995)“…Long-term depletion of ozone has been observed since the early 1980s in the Antarctic polar vortex, and more recently at mid-latitudes in both hemispheres,…”
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Trend analysis of the homogenized total ozone series of Arosa (Switzerland), 1926-1996
Published in Journal of Geophysical Research (20-04-1998)“…Total ozone measurements have been made at Arosa, Switzerland (47°N), from 1926 through the present day, forming the longest total ozone series in the world…”
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Street-scale dispersion modelling framework of road-traffic derived air pollution in Hanoi, Vietnam
Published in Environmental research (15-09-2023)“…Traffic is an important source of air pollution in Vietnamese cities. The spatio-temporal variation of air pollution derived from traffic is poorly understood…”
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Modelling the effect of the 2018 summer heatwave and drought on isoprene emissions in a UK woodland
Published in Global change biology (01-04-2020)“…Projected future climatic extremes such as heatwaves and droughts are expected to have major impacts on emissions and concentrations of biogenic volatile…”
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Continuous Isoprene Measurements in a UK Temperate Forest for a Whole Growing Season: Effects of Drought Stress During the 2018 Heatwave
Published in Geophysical research letters (16-08-2020)“…Isoprene concentrations were measured at four heights below, within, and above the forest canopy in Wytham Woods (United Kingdom) throughout the summer of 2018…”
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