Malcolm Davidson
YOU?
Author Swipe
View article: An overview of collaborative field campaigns, calval and community science activities enabled through the ESA-NASA Joint Program Planning Group
An overview of collaborative field campaigns, calval and community science activities enabled through the ESA-NASA Joint Program Planning Group Open
The US National Aeronautics and Space Administration (NASA) and the European Space Agency (ESA) created a Joint Program Planning Group (JPPG) in 2010 to enhance coordination between NASA and ESA on current and future space Earth Observatio…
View article: EarthCARE Cal/Val Campaigns - Overview
EarthCARE Cal/Val Campaigns - Overview Open
  The Earth Cloud Aerosol and Radiation Explorer (EarthCARE) is a satellite mission developed by the European Space Agency (ESA) in collaboration with the Japan Aerospace Exploration Agency (JAXA) to measure global profiles of aerosol…
View article: Enabling the Forthcoming ROSE-L Sensor for Global Scale 3-D Earth Surface Deformation Retrieval Through a Two-Look ScanSAR Mode Configuration
Enabling the Forthcoming ROSE-L Sensor for Global Scale 3-D Earth Surface Deformation Retrieval Through a Two-Look ScanSAR Mode Configuration Open
This work is focused on the possibility to enhance the observation capabilities of the forthcoming Synthetic Aperture Radar (SAR) ROSE-L (which stands for Radar Observation System for Europe at L-band) mission [1], [2], supported by the Eu…
View article: A Conceptual Performance Study on a Two-Look ScanSAR Mode Configuration for the Forthcoming ROSE-L Mission
A Conceptual Performance Study on a Two-Look ScanSAR Mode Configuration for the Forthcoming ROSE-L Mission Open
This work shows that additional ScanSAR capabilities, with respect to those achievable through the current synthetic aperture radar (SAR) system of the forthcoming Radar Observation System for Europe at L-band (ROSE-L) mission, may be easi…
View article: Year-Around C- and L- Band Observation Around the Mosaic Ice Floe with High Spatial and Temporal Resolution
Year-Around C- and L- Band Observation Around the Mosaic Ice Floe with High Spatial and Temporal Resolution Open
In September 2019, the German research icebreaker Polarstern started the largest multidisciplinary Arctic expedition, the MOSAiC (Multidisciplinary drifting Observatory for the Study of Arctic Climate) drift experiment. Being moored to ice…
View article: Satellite Calibration/Validation and Related Activities Carried out through NASA/ESA Joint Program Planning Group Subgroup
Satellite Calibration/Validation and Related Activities Carried out through NASA/ESA Joint Program Planning Group Subgroup Open
<p>The NASA/ESA Joint Program Planning Group (JPPG) subgroup on satellite calibration/validation was created to facilitate coordinated efforts between ESA, NASA, and their respective investigator communities to enhance calibration an…
View article: A roadmap for high-resolution satellite soil moisture applications
A roadmap for high-resolution satellite soil moisture applications Open
<p>This contribution presents the main findings of a recently published review on high-resolution satellite soil moisture applications (https://doi.org/10.1016/j.rse.2020.112162). The scientific community has made significant progres…
View article: ESA&#8217;s Campaign Activities in Support of Earth Observation Projects: A focus on validation
ESA’s Campaign Activities in Support of Earth Observation Projects: A focus on validation Open
<p>In the framework of its Earth Observation Programmes the European Space Agency (ESA) carries out ground based and airborne campaigns to support geophysical algorithm developments, calibration/validation activities, simulation of f…
View article: Synergetic use of L- and C-band SAR data in Earth Sciences &#8211; The JAXA-ESA mutual cooperation
Synergetic use of L- and C-band SAR data in Earth Sciences – The JAXA-ESA mutual cooperation Open
<p>Within the &#8220;Cooperation for the Use of Synthetic Aperture Radar Satellites in Earth Science and Applications&#8221;, the Japanese Aerospace Exploration Agency (JAXA) and the European Space Agency (ESA) agreed to mutu…
View article: High spatial and temporal resolution L- and C-band Synthetic Aperture Radar data analysis from the yearlong MOSAiC expedition
High spatial and temporal resolution L- and C-band Synthetic Aperture Radar data analysis from the yearlong MOSAiC expedition Open
<p>In the yearlong MOSAIC expedition (2019-2020) R/V Polarstern drifted with sea ice through the Arctic Ocean, with the goal to continually monitor changes in the coupled ocean-ice-atmosphere system throughout the seasons. A substant…
View article: Use of L- and C-Band SAR Satellites for Sea Ice and Iceberg Monitoring (LC-ICE)
Use of L- and C-Band SAR Satellites for Sea Ice and Iceberg Monitoring (LC-ICE) Open
<p>In support of ESA's&#160;Mission Advisory Group for ROSE-L (Radar Observing System for Europe at L-band), a project team consisting of members of operational ice services and&#160;the International Ice Charting Working Gro…
View article: Surface Melting Drives Fluctuations in Airborne Radar Penetration in West Central Greenland
Surface Melting Drives Fluctuations in Airborne Radar Penetration in West Central Greenland Open
Greenland Ice Sheet surface melting has increased since the 1990s, affecting the rheology and scattering properties of the near‐surface firn. We combine firn cores and modeled firn densities with 7 years of CryoVEx airborne Ku‐band (13.5 G…
View article: Correlated Fluctuations in Surface Melting and Ku-band Radar Penetration in West Central Greenland
Correlated Fluctuations in Surface Melting and Ku-band Radar Penetration in West Central Greenland Open
<p>Melting at the surface of the Greenland ice sheet has significantly increased since the early 1990s and this affects the degree to which radar sensors can penetrate beyond the snow surface. Indeed, radars are sensitive to changes …
View article: Validation of CryoSat-2 SARIn Data over Austfonna Ice Cap Using Airborne Laser Scanner Measurements
Validation of CryoSat-2 SARIn Data over Austfonna Ice Cap Using Airborne Laser Scanner Measurements Open
The study presented here is focused on the assessment of surface elevations derived from CryoSat-2 SARIn level 1b data over the Austfonna ice cap, Svalbard, in 2016. The processing chain that must be applied to the CryoSat-2 waveforms to d…
View article: Aboveground Forest Biomass Estimation Combining L- and P-Band SAR Acquisitions
Aboveground Forest Biomass Estimation Combining L- and P-Band SAR Acquisitions Open
While considerable research has focused on using either L-band or P-band SAR (Synthetic Aperture Radar) on their own for forest biomass retrieval, the use of the two bands simultaneously to improve forest biomass retrieval remains less exp…
View article: Nordic Snow Radar Experiment
Nordic Snow Radar Experiment Open
The objective of the Nordic Snow Radar Experiment (NoSREx) campaign was to provide a continuous time series of active and passive microwave observations of snow cover at a representative location of the Arctic boreal forest area, covering …
View article: The criticality of integrating local agro-economic institutions into paradigms for least developed countries in the epoch of the Anthropocene
The criticality of integrating local agro-economic institutions into paradigms for least developed countries in the epoch of the Anthropocene Open
Climate-smart agriculture (CSA) interlinks and provides for the two most critical issues for human and ecological sustainability: providing food for impending population growth to reduce poverty and undernourishment, and managing for eco-s…
View article: Compliant Robots for Next-Generation Human-Robot Interaction
Compliant Robots for Next-Generation Human-Robot Interaction Open
While traditional robotics provides solutions to many problems involving human-robot interaction, there is one large and critical area in which traditional robotics has fallen short: the combination of affordable and portable robotic syste…