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WUR 1HZ solar irradiance observations at Cabauw + (10 years of global, direct, and diffuse solar irradiance sampled at 1 Hz as well as fully resolved variability until at least 0.1 Hz from the Baseline Surface Radiation Network (BSRN) station at Cabauw.)
KNMI Clouds - 2D cloudmask from infrared measurements at 10 minute intervals at Cabauw + (2-dimensional clouddata (IR brightness temp. and cloudmask) and cloudcover (total, high, middle and low) derived from sky brightness temperatures recorded with a scanning pyrometer. For more information about CESAR: https://ruisdael-observatory.nl/cesar/)
WUR Loobos meteorological and air quality observations + (A 36 m tall tower is built at the site in … A 36 m tall tower is built at the site in 2021, hosting eddy covariance instruments (CO2, heat, evaporation, Volatile Organic Compounds), radiation instruments, profiles of temperature, water vapour, CO2, wind speed. Soil temperature, moisture and heat flux and water table depth measurements are collected around the tower. The data documentation such as stream names, units and instrument type of the Veenkampen can be found in the Excelsheet at the website of https://maq-observations.nl/.e website of https://maq-observations.nl/.)
Loobos + (A field campaign on 17–18 May 2022 was spa … A field campaign on 17–18 May 2022 was spanned through three sites in the Netherlands, cabauw (grassland), Loobos (forest) and Veenkampen (grassland). These locations form a triangle that captures the diversity of land cover and surface-atmosphere interactions in the Dutch landscape. The campaign collected a rich dataset — from surface flux towers and ground-based sensors to radiosondes and aircraft measurements. The collected real-world observations were compared against simulations from six different atmospheric models.ons from six different atmospheric models.)
KNMI KNMI UV-polarisation lidar Ascension Island initiative (ASCII) campaign data + (A ground-based UV-polarisation lidar was d … A ground-based UV-polarisation lidar was deployed to infer cloud droplet sizes and droplet number concentrations near the cloud base of cumulus clouds over Ascension Island. The measurements were part of the 2016 en 2017 ASCII campaigns to study aerosol-cloud interactions in the stratocumulus to cumulus transition zone of the southeast Atlantic Ocean. Measurements of uncalibrated attenuated backscatter were acquired at 30 seconds and 15 meters resolution.ed at 30 seconds and 15 meters resolution.)
TROLIX-19 + (A Sentinel-5p/TROPOMI validation campaign … 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 measurementssitu NO, NO2, O3 and aerosols measurements)
TNO Picarro2301 ICOS NRT Level 1 CO2 at 67m at Cabauw + (Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric CO2. The data starts from the last respective L2 release.)
TNO Picarro2301 ICOS NRT Level 1 CO2 at 27m at Cabauw + (Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric CO2. The data starts from the last respective L2 release.)
TNO Picarro2301 ICOS NRT Level 1 CH4 at 207m at Cabauw + (Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric CH4. The data starts from the last respective L2 release.)
TNO Picarro2301 ICOS NRT Level 1 CH4 at 127m at Cabauw + (Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric CH4. The data starts from the last respective L2 release.)
TNO Picarro2301 ICOS NRT Level 1 CH4 at 067m at Cabauw + (Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric CH4. The data starts from the last respective L2 release.)
TNO Picarro2301 ICOS NRT Level 1 CH4 at 27m at Cabauw + (Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric CH4. The data starts from the last respective L2 release.)
TNO Picarro2301 ICOS NRT Level 1 CO2 at 127m at Cabauw + (Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric CO2. The data starts from the last respective L2 release)
TNO Picarro2301 ICOS NRT Level 1 CO2 at 207m at Cabauw + (Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric CO2. The data starts from the last respective L2 release)
TNO Picarro5310 ICOS NRT Level 1 N2O at 127m at Cabauw + (Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric N2O. The data starts from the last respective L2 release.)
TNO Picarro5310 ICOS NRT Level 1 N2O at 207m at Cabauw + (Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric N2O. The data starts from the last respective L2 release.)
TNO Picarro5310 ICOS NRT Level 1 N2O at 27m at Cabauw + (Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric N2O. The data starts from the last respective L2 release.)
TNO Picarro5310 ICOS NRT Level 1 N2O at 67m at Cabauw + (Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric N2O. The data starts from the last respective L2 release.)
TNO Picarro5310 ICOS NRT Level 1 CO at 127m at Cabauw + (Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric CO. The data starts from the last respective L2 release.)
TNO Picarro5310 ICOS NRT Level 1 CO at 67m at Cabauw + (Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric CO. The data starts from the last respective L2 release.)
TNO Picarro5310 ICOS NRT Level 1 CO at 27m at Cabauw + (Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric CO. The data starts from the last respective L2 release.)
TNO Picarro5310 ICOS NRT Level 1 CO at 207m at Cabauw + (Automatically-produced, daily-growing (by data object deprecation) data on molar fraction of atmospheric CO. The data starts from the last respective L2 release.)
KNMI Caeli multiwavelength Raman lidar uncalibrated attenuated backscatter at Cabauw + (Caeli is the CESAR Water Vapour, Aerosol a … Caeli is the CESAR Water Vapour, Aerosol and Cloud Lidar and is a multiwavelength, high-performance Raman lidar, capable of providing round-the clock measurements. It is deployed at the Cabauw Experimental Site for Atmospheric Research (CESAR)This dataset contains ...esearch (CESAR) This dataset contains ...)
WUR near-real-time CO2 fluxes from CarbonTracker CTE-HR system + (Carbon dioxide (CO2) exchange over Europe … Carbon dioxide (CO2) exchange over Europe at high resolution (0.1 × 0.2∘) and in near real time (about 2 months' latency) was estimated with the CarbonTracker Europe High-Resolution (CTE-HR) system. The modelled CTE-HR CO2 fluxes matched mole fraction observations at Integrated Carbon Observation System (ICOS) sites across Europe after atmospheric transport with the Transport Model, version 5 (TM5) and the Stochastic Time-Inverted Lagrangian Transport (STILT), driven by ECMWF-IFS, and captured the magnitude and variability of measured CO2 fluxes in the city center of Amsterdam (the Netherlands). Details of this dataset is described in detail in: van der Woude et al., Near-real-time CO2 fluxes from CarbonTracker Europe for high-resolution atmospheric modeling, Earth Syst. Sci. Data, 15,, 579–605, https://doi.org/10.5194/essd-15-579-2023, 2023.://doi.org/10.5194/essd-15-579-2023, 2023.)
CINDI-2 + (CINDI stands for Cabauw Intercomparison of … CINDI stands for Cabauw Intercomparison of Nitrogen Dioxide Measuring Instruments and was focussed on the comparison of a number of ground-based DOAS instruments (Differential Optical Absorption Spectroscopy) for measuring atmospheric Nitrogen Dioxide (NO2).suring atmospheric Nitrogen Dioxide (NO2).)
CAINA 2025 + (Cloud-Aerosol Interactions in a Nitrogen-dominated Atmosphere campaign at Cabauw and Lutjewad.)
TU Delft Micro Rain Radar MRR006 at De Zweth + (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)
TU Delft Micro Rain Radar MRR003 at Westmaas + (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.)
TU Delft Micro Rain Radar MRR005 at Slufter + (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.)
KNMI Clouds - cloudbase heights and backscatter profiles from CT75 ceilometer at 30 s interval at Cabauw + (Dataset contains backscatter profiles and system status signals from CT75 ceilometer at 30 s time resolution. Operational retrieved cloud base heights (up to 3 levels) are included. Vertical resolution: backscatter 30 m, for cloud base 15 m.)
KNMI Radiation - BSRN irradiance data at 1 minute interval at Cabauw + (Dataset contains direct, diffuse, global a … Dataset contains direct, diffuse, global and downward longwave irradiances at 60 seconds time resolution. Dataset also contains air temperature, relative humidity and air pressure at instrument height. Quantities are identical to the ones found in the Baseline Surface Radiation Network (BSRN) central archive (www.pangaea.de/PHP/BSRN_Status.php). For release guidelines see: www.bsrn.awi.de/en/data/ conditions_of_data_release/details/ .ata/ conditions_of_data_release/details/ .)
rename page test + (descripation)
TU Delft weather station davis-001 at Erasmus MC + (Description: In-situ measurements of tempe … Description: In-situ measurements of temperature, pressure, relative humidity, rain, solar irradiance and wind (at a temporal resolution of 1 minute) by a Davis Vantage Pro2 weather station named "Davis-001" on the roof of the Erasmus MC building in Rotterdam, The Netherlands, at a height of approx. 112 meters.This station is part of the Rotterdam Atmospheric Measurement Network (RAMN), funded with the help of TU Delft strategic funds, in collaboration with the Ruisdael Observatory.Note: The station was installed on June 13, 2023 but suffered major technical issues during the first two months. It was then damaged during a storm on July 14, 2023 and had to be brought back to TU Delft. As a result, only a few days of observation are available for now.days of observation are available for now.)
RUG Obspack CH4 time series Lutjewad at 60 m + (European Obspack compilation of atmospheric methane data from ICOS and non-ICOS European stations for the period 1984-2025; obspack_ch4_466_GVeu_v11.0_20250818)
RUG Obspack CO2 time series Lutjewad at 60 m + (European Obspack compilation of atmospheric carbon dioxide data from ICOS and non-ICOS European stations for the period 1972-2024; obspack_co2_466_GVeu_v11_20250815)
RUG Obspack N2O time series Lutjewad at 60 m + (European Obspack compilation of atmospheric nitrous oxide data from ICOS and non-ICOS European stations for the period 1994-2025; obspack_n2o_466_GVeu_v11.0_20250820)
KNMI Clouds - cloud cover retrieved from infrared measurements at 10 minute intervals at Cabauw + (Four cloud cover parameters are retrieved … Four cloud cover parameters are retrieved continuously from sky temperature measurements by a scanning infrared radiometer (NubiScope). These parameters are resp. total, low -, middle - and high level cloud cover. Only measurements 20 degrees above horizon are used to create a hemispherical cloud mask. The temperature deviation of a sky pixel from an estimated background sky temperature determines whether a pixel is considered to be cloudy or clear sky. For more information about CESAR: https://ruisdael-observatory.nl/cesar/AR: https://ruisdael-observatory.nl/cesar/)
TNO aethalometer AE33 at de Zweth + (Hourly means of aethalometer measurements at de Zweth.)
RIVM Teledyne T200 NO2/NO/NOx concentration observation at Cabauw + (Hourly NO2/NO/NOx concentration in ambient air observation using a Teledyne T200 chemoluminescence analyzer)
RIVM thermo49i O3-concentration observation at Cabauw + (Hourly O3 concentration in ambient air observation using a Thermo 49i UV absorption analyzer)
RIVM thermo43i SO2-concentration observation at Cabauw + (Hourly SO2 concentration in ambient air observation using a Thermo 43i UV fluorescence analyzer)
TNO ICOS CRL analysed release 14C at 207m at Cabauw + (ICOS CRL Final Fully Quality Controlled Observational Data (Level 2) for 14C in CO2 at 207m in two-weekly integrated air samples with the ICOS rotating denuder sampler)
TNO Picarro2301 ICOS ATC Level 2 CO2 at 207m at Cabauw + (ICOS Final Fully Quality Controlled Observational Data (Level 2) on molar fraction of atmospheric CO2 at 207m)
TNO Flasksampler ICOS release SF6 at 207m at Cabauw + (ICOS Final Fully Quality Controlled Observational Data (Level 2) for flask samples analysed on molar fraction of atmospheric SF6 at 207m)
TNO Picarro2301 ICOS ATC Level 2 CH4 at 207m at Cabauw + (ICOS Final Fully Quality Controlled Observational Data (Level 2) on molar fraction of atmospheric CH4 at 207m)
TNO Picarro5310 ICOS ATC Level 2 N2O at 207m at Cabauw + (ICOS Final Fully Quality Controlled Observational Data (Level 2) on molar fraction of atmospheric N2O at 207m)
TNO Flasksampler ICOS release CH4 at 207m at Cabauw + (ICOS Final Fully Quality Controlled Observational Data (Level 2) for flask samples analysed on molar fraction of atmospheric CH4 at 207m)
TNO Picarro2301 ICOS ATC Level 2 CH4 at 067m at Cabauw + (ICOS Final Fully Quality Controlled Observational Data (Level 2) on molar fraction of atmospheric CH4 at 067m)
TNO Picarro2301 ICOS ATC Level 2 CO2 at 127m at Cabauw + (ICOS Final Fully Quality Controlled Observational Data (Level 2) on molar fraction of atmospheric CO2 at 127m)