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Seasonal dependence of peroxy radical concentrations at a Northern hemisphere marine boundary layer site during summer and winter: evidence for radical activity in winter
peroxy radical concentrations Northern hemisphere marine boundary layer site
2009/1/21
Peroxy radicals (HO2+Σ RO2) were measured at the Weybourne Atmospheric Observatory (52° N, 1° E), Norfolk using a PEroxy Radical Chemical Amplifier (PERCA) during the winter and summer of 2002. The pe...
Properties of Flow within the Coastal Boundary Layer off Long Island, New York
Coastal Boundary Layer Long Island
2009/1/16
Properties of flow within the nearshore waters off the southern coast of Long Island are established by statistical analysis of data from a moored current meter array and by concurrent hydrographic in...
Columnar modelling of nucleation burst evolution in the convective boundary layer – first results from a feasibility study Part IV: A compilation of previous observations for valuation of simulation results from a columnar modelling study
nucleation burst convective boundarylayer feasibility study
2009/1/15
In the preceding Papers I, II and III a revised columnar high-order modelling approach to model gas-aerosol-turbulence interactions in the convective boundary layer (CBL) was proposed, and simulation...
Columnar modelling of nucleation burst evolution in the convective boundary layer – first results from a feasibility study Part III: Preliminary results on physicochemical model performance using two "clean air mass" reference scenarios
nucleation burst convective boundary layer feasibility study physicochemical model performance
2009/1/15
In Paper I of four papers, a revised columnar high-order model to investigate gas-aerosol-turbulence interactions in the convective boundary layer (CBL) was proposed. In Paper II, the model capability...
Columnar modelling of nucleation burst evolution in the convective boundary layer – first results from a feasibility study Part II: Meteorological characterisation
nucleation burst convective boundary layer feasibility study Meteorological characterisation
2009/1/15
While in Paper I of four papers a revised columnar high-order modelling approach to investigate gas-aerosol-turbulence interactions in the convective boundary layer (CBL) was deduced, in the present P...
Columnar modelling of nucleation burst evolution in the convective boundary layer – first results from a feasibility study Part I: Modelling approach
nucleation burst convective boundary layer feasibility study
2009/1/15
A high-order modelling approach to interpret "continental-type" particle formation bursts in the anthropogenically influenced convective boundary layer (CBL) is proposed. The model considers third-ord...
The simple scaling of a tidal bottom boundary layer by the shear velocity, u*, and the wall to the wall describes well the mean Bow field. To test the full extent of this scaling measurements were mad...
Optical and physical properties of aerosols in the boundary layer and free troposphere over the Amazon Basin during the biomass burning season
Optical physical properties boundary layer free troposphere Amazon Basin biomass burning season
2009/1/13
As part of the Large Scale Biosphere-Atmosphere Experiment in Amazonia – Smoke, Aerosols, Clouds, Rainfall and Climate (LBA-SMOCC) campaign, detailed surface and airborne aerosol measurements were per...
Ice-Seawater Turbulent Boundary Layer Interaction with Melting or Freezing
Ice-Seawater Turbulent Boundary Layer
2009/1/13
A second-moment, turbulence closure model is applied to the problem of the dynamic and thermodynamic interaction of sea ice and the ocean surface mixed layer. In the case of ice moving over a warm, oc...
Ambient formaldehyde measurements made at a remote marine boundary layer site during the NAMBLEX campaign – a comparison of data from chromatographic and modified Hantzsch techniques
Ambient formaldehyde measurements remote marine boundary layer NAMBLEX campaign chromatographic and modified Hantzsch techniques
2009/1/12
Ambient formaldehyde concentrations are reported from the North Atlantic Marine Boundary Layer Experiment (NAMBLEX) campaign at Mace Head on the west coast of Eire during August 2002. The results from...
Vertical profiles of O3 and NOx chemistry in the polluted nocturnal boundary layer in Phoenix, AZ: I. Field observations by long-path DOAS
Vertical profiles O3 NOx chemistry polluted nocturnal boundary layer Phoenix ong-path DOAS
2009/1/12
Nocturnal chemistry in the atmospheric boundary layer plays a key role in determining the initial chemical conditions for photochemistry during the following morning as well as influencing the budgets...
The North Atlantic Marine Boundary Layer Experiment（NAMBLEX）. Overview of the campaign held at Mace Head, Ireland, in summer 2002
NAMBLEX Mace Head Ireland
2009/1/9
The North Atlantic Marine Boundary Layer Experiment (NAMBLEX), involving over 50 scientists from 12 institutions, took place at Mace Head, Ireland (53.32° N, 9.90° W), between 23 July and 4 September ...
Velocity and Stress in the Deep-Ocean Boundary Layer
Deep-Ocean Boundary Layer near-bottom currents deep ocean sediments
2009/1/8
In order to predict the response of deep ocean sediments to the near-bottom currents, accurate estimates of the near-bottom velocity and the boundary shear stress are necessary. Because of the unstead...
Measurements and modelling of I2, IO, OIO, BrO and NO3 in the mid-latitude marine boundary layer
I2 IO OIO NO3 mid-latitude marine boundary layer
2009/1/7
Time series observations of molecular iodine (I2), iodine oxides (IO, OIO), bromine oxide (BrO), and the nitrate radical (NO3) in the mid-latitude coastal marine boundary layer (MBL) are reported. Mea...
A Modified Inertial Dissipation Method for Estimating Seabed Stresses at Low Reynolds Numbers, with Application to Wave/Current Boundary Layer Measurements
Inertial Dissipation Method Low Reynolds Numbers Seabed Stresses Wave/Current Boundary Layer Measurements
2009/1/5
The inertial dissipation method for estimating seabed friction velocities from near-bed turbulence spectra requires few measurements; it is relatively insensitive to errors in sensor orientation and m...