Ulrich Löhnert

发表

Media calibration system for deep space missions: preliminary design and technical aspects

Antonio Martellucci, Susanne Crewell, Per Jarlemark, 2013 .

Horizontal-Humidity Gradient From One Single-Scanning Microwave Radiometer

Susanne Crewell, Ulrich Löhnert, Jan H. Schween, 2011, IEEE Geoscience and Remote Sensing Letters.

Investigating Water Vapor Variability by Ground-Based Microwave Radiometry: Evaluation Using Airborne Observations

Susanne Crewell, Ulrich Löhnert, Jan H. Schween, 2009, IEEE Geoscience and Remote Sensing Letters.

Snow scattering signals in ground-based passive microwave radiometer measurements

Susanne Crewell, Alessandro Battaglia, Ulrich Löhnert, 2010 .

Accuracy of Boundary Layer Temperature Profiles Retrieved With Multifrequency Multiangle Microwave Radiometry

Susanne Crewell, Ulrich Löhnert, S. Crewell, 2007, IEEE Transactions on Geoscience and Remote Sensing.

AWARDS: Advanced microwave radiometers for deep space stations

Antonio Martellucci, Susanne Crewell, Per Jarlemark, 2013, Space Commun..

Water Vapor Tomography With Two Microwave Radiometers

Shaofeng Liu, Susanne Crewell, Ulrich Löhnert, 2014, IEEE Geoscience and Remote Sensing Letters.

Modifications to the Water Vapor Continuum in the Microwave Suggested by Ground-Based 150-GHz Observations

David D. Turner, Susanne Crewell, Ulrich Löhnert, 2009, IEEE Transactions on Geoscience and Remote Sensing.

A Novel Ground-Based Microwave Radiometer for High Precision Atmospheric Observations between 10 and 90 GHz

Antonio Martellucci, Susanne Crewell, Thomas Rose, 2008, IGARSS 2008 - 2008 IEEE International Geoscience and Remote Sensing Symposium.

Combining ground‐based with satellite‐based measurements in the atmospheric state retrieval: Assessment of the information content

Susanne Crewell, Emiliano Orlandi, Ulrich Löhnert, 2013 .

Optimizing observations of drizzle onset with millimeter-wavelength radars

Pavlos Kollias, Maximilian Maahn, Ulrich Löhnert, 2016 .

Mixing-layer height retrieval with ceilometer and Doppler lidar: from case studies to long-term assessment

Susanne Crewell, Ulrich Löhnert, Jan H. Schween, 2014 .

Ground-Based Temperature and Humidity Profiling Using Spectral Infrared and Microwave Observations. Part II: Actual Retrieval Performance in Clear-Sky and Cloudy Conditions

David D. Turner, Ulrich Löhnert, U. Löhnert, 2015 .

Polarization signatures and brightness temperatures caused by horizontally oriented snow particles at microwave bands: Effects of atmospheric absorption

Clemens Simmer, Jungang Miao, Susanne Crewell, 2015 .

Ground-Based Temperature and Humidity Profiling Using Spectral Infrared and Microwave Observations. Part I: Simulated Retrieval Performance in Clear-Sky Conditions

David D. Turner, Susanne Crewell, Ulrich Löhnert, 2009 .

Accuracy of cloud liquid water path from ground‐based microwave radiometry 1. Dependency on cloud model statistics

Susanne Crewell, Ulrich Löhnert, S. Crewell, 2003 .

Path length distributions for solar photons under cloudy skies : Comparison of measured first and second moments with predictions from classical and anomalous diffusion theories

Klaus Pfeilsticker, Clemens Simmer, Anthony B. Davis, 2006 .

Absorption Properties of Supercooled Liquid Water between 31 and 225 GHz: Evaluation of Absorption Models Using Ground-Based Observations

David D. Turner, Emiliano Orlandi, Ming-Tang Chen, 2014 .

G band atmospheric radars: new frontiers in cloud physics

Pavlos Kollias, Alessandro Battaglia, Grant W. Petty, 2014 .

Developing and Evaluating Ice Cloud Parameterizations for Forward Modeling of Radar Moments Using in situ Aircraft Observations

Pavlos Kollias, Maximilian Maahn, Ulrich Löhnert, 2015 .

Validation of tropospheric slant path delays derived from single and dual frequency GPS receivers

Maorong Ge, Steffen Schön, Galina Dick, 2011 .

Ground-based lidar and microwave radiometry synergy for high vertical resolution absolute humidity profiling

Susanne Crewell, Emiliano Orlandi, Ulrich Löhnert, 2016 .

The HD(CP)2 Observational Prototype Experiment (HOPE) - An overview

Hartwig Deneke, Volker Wulfmeyer, Norbert Kalthoff, 2016 .

Profiling Cloud Liquid Water by Combining Active and Passive Microwave Measurements with Cloud Model Statistics

Clemens Simmer, Susanne Crewell, Ulrich Löhnert, 2001 .

Exploiting Existing Ground-Based Remote Sensing Networks to Improve High-Resolution Weather Forecasts

Domenico Cimini, Martial Haeffelin, Ulrich Löhnert, 2015 .

Potential of Higher-Order Moments and Slopes of the Radar Doppler Spectrum for Retrieving Microphysical and Kinematic Properties of Arctic Ice Clouds

Maximilian Maahn, Ulrich Löhnert, M. Maahn, 2017 .

Surrogate cloud fields generated with the iterative amplitude adapted Fourier transform algorithm

Thomas Trautmann, Clemens Simmer, Susanne Crewell, 2006 .

Assessment of small-scale integrated water vapour variability during HOPE

P. Di Girolamo, Galina Dick, Susanne Crewell, 2014 .

Accuracy of cloud liquid water path from ground‐based microwave radiometry 2. Sensor accuracy and synergy

Susanne Crewell, Ulrich Löhnert, S. Crewell, 2003 .

Snow particle orientation observed by ground‐based microwave radiometry

Susanne Crewell, Ulrich Löhnert, Stefan Kneifel, 2012 .

JOYCE: Jülich Observatory for cloud evolution

Clemens Simmer, Susanne Crewell, Maximilian Maahn, 2015 .

A network suitable microwave radiometer for operational monitoring of the cloudy atmosphere

Clemens Simmer, Susanne Crewell, Thomas Rose, 2005 .

Can liquid water profiles be retrieved from passive microwave zenith observations

David D. Turner, Susanne Crewell, Ulrich Löhnert, 2009 .

Monitoring and Modeling the Terrestrial System from Pores to Catchments: The Transregional Collaborative Research Center on Patterns in the Soil–Vegetation–Atmosphere System

Jan Vanderborght, Karl Schneider, Uwe Rascher, 2015 .

Biases caused by the instrument bandwidth and beam width on simulated brightness temperature measurements from scanning microwave radiometers

Pavlos Kollias, Susanne Crewell, Ulrich Löhnert, 2012 .

A 1-D variational retrieval of temperature, humidity, and liquid cloud properties: Performance under idealized and real conditions: 1D-VAR RETRIEVAL OF ATMOSPHERIC PROFILES

Susanne Crewell, Emiliano Orlandi, Ulrich Löhnert, 2017 .

How Can Existing Ground-Based Profiling Instruments Improve European Weather Forecasts?

Roland Potthast, Domenico Cimini, Ina Mattis, 2019, Bulletin of the American Meteorological Society.

Accuracy assessment of an integrated profiling technique for operationally deriving profiles of temperature, humidity, and cloud liquid water

Ulrich Löhnert, Silke Groß, Henk Klein Baltink, 2007 .

Microwave Radiometer for Cloud Carthography: A 22-channel ground-based microwave radiometer for atmospheric research

Clemens Simmer, Susanne Crewell, Thomas Rose, 2001 .

Operational profiling of temperature using ground-based microwave radiometry at Payerne: prospects and challenges

Ulrich Löhnert, U. Löhnert, O. Maier, 2012 .