-
Analysis of turbulence and turbulence kinetic energy dynamics in complex terrain
Boundary layer processes and turbulence in a complex terrain are influenced by thermally driven flows, as well as dynamically forced flows when ambient wind interacts with...- publication PDF
-
New insights on the impact of ozone-depleting substances on the...
It has recently been recognized that, in addition to greenhouse gases, anthropogenic emissions of ozone-depleting substances (ODS) can induce long-term trends in the Brewer-...- publication PDF
-
Simulation of semi-explicit mechanisms of SOA formation from glyoxal in...
New pathways to form secondary organic aerosol (SOA) have been postulated recently. Glyoxal, the smallest dicarbonyl, is one of the proposed precursors. It has both...- publication PDF
-
The coastal streamflow flux in the Regional Arctic System Model
The coastal streamflow flux from the Arctic drainage basin is an important driver of dynamics in the coupled ice-ocean system. Comprising more than one third of the total...- publication PDF
-
The climate impact of COVID-19-induced contrail changes
The COVID-19 pandemic caused significant economic disruption in 2020 and severely impacted air traffic. We use a state-of-the-art Earth system model and ensembles of tightly...- publication PDF
-
Precipitation in the EURO-CORDEX 0.11â0.11â and 0.44â0.44â...
In the framework of the EURO-CORDEX initiative an ensemble of European-wide high-resolution regional climate simulations on a 0.11â(â¼12.5km)0.11â(â¼12.5km) grid has been...- publication PDF
-
Magnetic field geometry and composition variation in slow solar winds: The...
We present an examination of the first ionization potential (FIP) fractionation scenario, invoking the ponderomotive force in the chromosphere and its implications for the...- publication PDF
-
Simulations of sulfateânitrateâammonium (SNA) aerosols during the...
Extreme haze events have occurred frequently over China in recent years. Although many studies have investigated the formation mechanisms associated with PM2.5 for heavily...- publication PDF
-
The role of synoptic eddies in the tropospheric response to stratospheric variability
The tropospheric response to sudden stratospheric warmings (SSWs) is analyzed in an idealized model setup regarding the respective roles of planetary-scale and synoptic-scale...- publication PDF
-
Environmental effects of stratospheric ozone depletion, UV radiation, and...
The Environmental Effects Assessment Panel of the Montreal Protocol under the United Nations Environment Programme evaluates effects on the environment and human health that...- publication PDF
-
Atmospheric mercury over the NE Pacific during spring 2002: Gradients,...
Gaseous elemental mercury (GEM) was measured over the North Pacific and coastal California, Oregon and Washington in spring 2002 during the Intercontinental Transport and...- publication PDF
-
Potential impact of initialization on decadal predictions as assessed for...
To investigate the potential for initialization to improve decadal range predictions, we quantify the initial value predictability of upper 300 m temperature in the two northern...- publication PDF
-
Design Life Level: Quantifying risk in a changing climate
In the past, the concepts of return levels and return periods have been standard and important tools for engineering design. However, these concepts are based on the assumption...- publication PDF
-
The impact of convection on ENSO: From a delayed oscillator to a series of events
The NCAR Community Climate System Model, version 3 (CCSM3) exhibits persistent errors in its simulation of the El Niño - Southern Oscillation (ENSO) mode of coupled...- publication PDF
-
Revising the ensemble-based Kalman filter covariance for the retrieval of...
Previous studies have demonstrated that soil moisture in the top layers (e.g., within the top 1-m depth) can be retrieved by assimilating near-surface soil moisture observations...- publication PDF
-
Solar-like oscillations in red giants observed with Kepler: Comparison of...
The large number of stars for which uninterrupted high-precision photometric timeseries data are being collected with textit{Kepler} and CoRoT initiated the development of...- publication PDF
-
Evaluating stratospheric tropical width using tracer concentrations
Quantifying the width of the tropics has important implications for understanding climate variability and the atmospheric response to anthropogenic forcing. Considerable effort...- publication PDF
-
A Statistical Investigation of the CESM Ensemble Consistency Testing...
Weather is the archetype for chaotic dynamical system. As such, improvements, updates, and modifications to large scale climate simulation demand there be quality checks in...- publication PDF
-
Quantifying the effects of mixing state on aerosol optical properties
Calculations of the aerosol direct effect on climate rely on simulated aerosol fields. The model representation of aerosol mixing state potentially introduces large...- publication PDF
-
How waviness in the circulation changes surface ozone: A viewpoint using...
Local finite-amplitude wave activity (LWA) measures the waviness of the local flow. In this work we relate the anticyclonic part of LWA, AWA (anticyclonic wave activity), to...- publication PDF