Property:Description (description)
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Description An account of the resource. (en)
Label: Description (en)
T
ICOS Final Fully Quality Controlled Observational Data (Level 2) on molar fraction of atmospheric N2O at 127m +
ICOS Final Fully Quality Controlled Observational Data (Level 2) on molar fraction of atmospheric N2O at 207m +
Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric CO. The data starts from the last respective L2 release. +
Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric CO. The data starts from the last respective L2 release. +
Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric CO. The data starts from the last respective L2 release. +
Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric CO. The data starts from the last respective L2 release. +
Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric N2O. The data starts from the last respective L2 release. +
Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric N2O. The data starts from the last respective L2 release. +
Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric N2O. The data starts from the last respective L2 release. +
Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric N2O. The data starts from the last respective L2 release. +
Hourly means of aethalometer measurements at de Zweth. +
A Sentinel-5p/TROPOMI validation campaign was held in the Netherlands based at the Cabauw Experimental Site for Atmospheric Research during September/October 2019. The 2019 TROpomi vaLIdation eXperiment (TROLIX’19) consisted of active and passive remote sensing platforms in conjunction with several balloon-borne, airborne and surface chemical measurements.
The goal of this geophysical validation campaign was to make intensive observations for thevalidation of TROPOMI L2 main data products (such as NO2, O3, HCHO, aerosol layer height, clouds and UVAI) under realistic, non-idealized conditions with varying cloud cover and a wide range of atmospheric conditions.
Since TROPOMI is a hyperspectral imager with a very high spatial resolution of 3.5 km x 7 km, understanding local effects such as inhomogeneous sources of pollution, sub-pixel clouds and variations in ground albedo is important to interpret TROPOMI results. Therefore, the campaign includes sub-pixel resolution local networks of sensors, involving Pandora and MAX-DOAS instruments, around Cabauw (51.97°N, 4.93°E) and within the city of Rotterdam (51.92°N, 4.48°E). Cabauw is considered rural while Rotterdam is densely populated and industrialized. CESAR (Cabauw Experimental Site for Atmospheric Research), using its comprehensive in-situ and remote sensing observation program in and around the 213 m meteorological tower (see Section 3), was the main site of the campaign with focus on vertical profiling using lidar instruments for aerosols, clouds, water vapor, tropospheric and stratospheric ozone, as well as balloon-borne sensors for NO2. The ozonesonde profiles were measured at KNMI in De Bilt which is approximately 23 km from the CESAR site.
Instruments that were used:
- Stationary MAX-DOAS and Pandora instruments in different locations
- BIRA Mobile-DOAS instrument
- NO2 sondes
- Ozonesondes
- NASA LIDAR ozone observations
- Raman LIDAR CAELI
- In-situ NO, NO2, O3 and aerosols measurements +
Level 1 Data from the CMTRACE campaign at Cabauw. +
The first field campaign from the Tracing Convective Momentum Transport in Complex Cloudy Atmospheres experiment project (CMTRACE) took place in Cabauw, the Netherlands, between September 13th and October 3rd 2021. During this field campaign, two cloud radars and one wind lidar were operated with a similar scanning strategy for deriving wind speed and direction profiles from near the surface up to cloud tops. Here, we provide the daily Level 2 data from the campaign. At this level, several processing steps were applied to the original data from each instrument to minimize the differences between the sampled volumes and temporal and spatial resolution to generate merged profiles of wind speed and direction. Those processing steps are described in http://dx.doi.org/10.5194/essd-15-769-2023.
'''Variables''':
horizontal wind direction;
horizontal wind speed;
zonal wind;
meridional wind;
vertical wind speed;
lidar relative beta;
radar vertical doppler velocity;
radar equivalent reflectivity;
rain rate; +
Time-height profiles of precipitation by TU Delft's Micro Rain Radar (MRR-PRO) manufactured by Metek GmbH. MRR001 is part of the Ruisdael mobile station and frequently changes location. When it is not used for field campaigns, the radar is placed at Green Village Delft. Time interval of measurements is 10 seconds with a range resolution of 35 meters, max range of 4480 meters and 64 Doppler spectral bins. The raw data are provided in the form of hourly NetCDF files. +
Time-height profiles of precipitation by TU Delft's Micro Rain Radar (MRR-PRO) by Metek GmbH (SN 0512067699), placed at KNMI's Remote Sensing Site in Cabauw. Time interval of measurements is 10 seconds with a range resolution of 35 meters, max range of 4480 meters and 64 Doppler spectral bins. The raw data are provided in the form of hourly netCDF files. +
Dataset containing hourly data files provided by Ruisdael Observatory's Metek Micro Rain Radar (SN 0513108314) placed at Westmaas. Time interval of measurements is 10 seconds and the range resolution is preferred to be set to 35 meters. +
Dataset containing hourly data files provided by Ruisdael Observatory's Metek Micro Rain Radar (SN 0513108314) placed at Westmaas. Time interval of measurements is 10 seconds and the range resolution is preferred to be set to 35 meters. +
Dataset containing hourly data files provided by Ruisdael Observatory's Metek Micro Rain Radar (SN 0513108318) placed at De Zweth. Time interval of measurements is 10 seconds and the range resolution is preferred to be set to 35 meters +
The cloud radar LARA (Lutjewad Atmospheric RAdar) is a 94 GHz scanning polarimetric FMCW (Frequency Modulated Continuous Wave) radar, which profiles clouds and precipitation in the troposphere. This cloud radar is located at Lutjewad Atmospheric Site. Its specifications can be changed to address different measurement objectives. The maximum range is 12 km and the time, range and Doppler resolution are a few seconds, about 30 m and a few cm/s, respectively. +
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