-
Statistics and dynamics of aircraft encounters of turbulence over Greenland
Historical records of aviation turbulence encounters above Greenland are examined for the period from 2000 to 2006. These data identify an important flow regime that contributes...- publication PDF
-
Causes of the longitudinal differences in the equatorial vertical E × B...
During stratospheric sudden warming (SSW) periods large changes in the low-latitude vertical drift have been observed at Jicamarca as well as in other longitudinal sectors. In...- publication PDF
-
Tropospheric water vapor profiles obtained with FTIR: Comparison with...
Retrievals of vertical profiles of key atmospheric gases provide a critical long-term record from ground-based Fourier transform infrared (FTIR) solar absorption measurements....- publication PDF
-
Satellite-based analysis of CO seasonal and interannual variability over the...
The Measurements of Pollution in the Troposphere (MOPITT) satellite record is applied to study the geographical and temporal variability of carbon monoxide (CO) from biomass...- publication PDF
-
Ground subsidence effects on simulating dynamic high-latitude surface...
Simulating surface inundation is particularly challenging for the high-latitude permafrost regions. Ice-rich permafrost thaw can create expanding thermokarst lakes as well as...- publication PDF
-
Impact of warmer sea surface temperature on the global pattern of intense...
Intense convection (updrafts exceeding 10 m s(-1)) plays an essential role in severe weather and Earth's energy balance. Despite its importance, how the global pattern of...- publication PDF
-
Day-to-day variability of midlatitude ionospheric currents due to...
As known from previous studies on the solar quiet (Sq) variation of the geomagnetic field, the strength and pattern of ionospheric dynamo currents change significantly from day...- publication PDF
-
Effects of spectral resolution on simple magnetic field diagnostics of the...
We study the effects of finite spectral resolution on the magnetic field values retrieved through the weak-field approximation (WFA) from the cores of the Mg ii h and k lines....- publication PDF
-
Terminal velocities and kinetic energies of natural hailstones
The physical properties of 2295 hailstones that developed in Great Plains (US) storms were measured, including their maximum dimension, mass, and cross-sectional area. Using...- publication PDF
-
Hybrid mass coordinate in WRF-ARW and its impact on upper-level turbulence...
Although a terrain-following vertical coordinate is well suited for the application of surface boundary conditions, it is well known that the influences of the terrain on the...- publication PDF
-
The role of sulfur dioxide in stratospheric aerosol formation evaluated by...
Stratospheric aerosols (SAs) are a variable component of the Earth's albedo that may be intentionally enhanced in the future to offset greenhouse gases (geoengineering). The...- publication PDF
-
Amplification of future energy demand growth due to climate change
Future energy demand is likely to increase due to climate change, but the magnitude dependson many interacting sources of uncertainty. We combine econometrically estimated...- publication PDF
-
A general approach for deriving the properties of cirrus and stratiform ice...
A new approach is described for calculating the mass (m) and terminal velocity (Vt) of ice particles from airborne and balloon-borne imaging probe data as well as its...- publication PDF
-
Improving retrieval quality for airborne limb sounders by horizontal regularisation
Modern airborne infrared limb sounders are capable of measuring profiles so fast that neighbouring profiles are very similar to one another. This can be exploited by retrieving...- publication PDF
-
Case Studies on Convective Storms / Case Study 10, 22 July 1975: Mature...
This Technical Note is a case study of one of the storms examined in the 1975 field season of the National Hail Research Experiment, during which the two primary observing...- publication PDF
-
A field intercomparison technique to improve the relative accuracy of...
Techniques for improving the relative accuracy of longwave radiation measurements by a set of pyrgeometers [the Eppley Laboratory Precision Infrared Radiometer (Model PIR)] are...- publication PDF
-
A distinct magnetic property of the inner penumbral boundary
Context. Analyses of sunspot observations revealed a fundamental magnetic property of the umbral boundary: the invariance of the vertical component of the magnetic field.Aims....- publication PDF
-
Are internetwork magnetic fields in the solar photosphere horizontal or vertical?
Using many observations obtained during 2007 with the Spectro-Polarimeter of the Hinode Solar Optical Telescope, we explore the angular distribution of magnetic fields in the...- publication PDF
-
Variability of stratospheric reactive nitrogen and ozone related to the QBO
The stratospheric quasi-biennial oscillation (QBO) dominates interannual variability of dynamical variables and trace constituents in the tropical stratosphere and provides a...- publication PDF
-
Extending the usability of radiometer ocean surface wind measurements to...
This article describes the development and validation of a statistical algorithm to retrieve global all-weather sea surface wind speed (GAWS) from microwave radiometers in...- publication PDF
