Abstract

On https://maq-observations.nl/ we offer all operational measurements from three sites: Veenkampen, Loobos and Amsterdam. These observations include, but do not limit themselves to, temperature, humidity, wind, radiation, soil moisture, soil temperature, energy and carbon fluxes and air quality (e.g. NOx, O3, PM). Loobos is located in a Pine forest the Veluwe natural park, one of the largest European natural areas. Pine are the dominant species in the Veluwe. Hence Loobos is representative for a much larger acreage. The site was first established in 1995 and was home to one of the 3 first ecosystem flux sites globally. In 2021 a new tower was built and equipped. The research at Loobos aims at understanding the role of the ecosystem in the carbon and water cycle. As the forest, planted in the 1910’s, grows, it takes up CO2 from the atmosphere. This is an important feedback to climate change. But the amount of uptake depends on availability of water, temperature, radiation and air quality. Hence it is a very dynamic system, which we try to understand and predict. The research is done by MAQ at Wageningen University with Utrecht and Delft University as partners via the Ruisdael Observatory. Forest research is done by other groups in Wageningen as well, e.g. the GIS and Remote Sensing group collects LIDAR measurements of ecosystem geometry. We welcome other experimental groups and campaigns. 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.


Metadata

Dataset name maq_observations_loobos
Dataset version 1.0
Status onGoing
Last metadata update April 18, 2024, 08:38 (UTC)
Update frequency continual
License https://creativecommons.org/licenses/by/4.0/
North bound latitude 52.166446
East bound longitude 5.743575
South bound latitude 52.166446
West bound longitude 5.743575
Dataset edition 1
Dataset manager Sjoerd Barten
Maintainer KNMI Data Services
Publication timestamp 2024-02-07T00:00:00Z
Reference system identifier EPSG4326
Dataset start time 2022-01-21
Dataset end time Unlimited
Identifier urn:xkdc:ds:nl.knmi::maq_observations_loobos/1.0/
Lineage statement The source data in the SQL database originates from various sensors. We post-process and quality control the collected data using Python scripts before sending to the SQL database. Near real-time data is submitted every 10 minutes.
Purpose The data being measured is provided as Open Access data through https://maq-observations.nl/. This site is also part of the Ruisdael Observatory, a nationwide observatory for measurements of the atmosphere.
Supplemental information We update our SQL database every 10 minutes with the most recent observations. The data is available at a temporal resolution of up to 20 seconds. We offer up-to date charts of the current weather and air quality, as well as a historic dataset to explore, plot and download. You can visualize and download the data with our carefully designed graphical user interface, or download it using a custom tailored API key. We offer up to 627 data streams divided over the three stations at a temporal resolution of up to 20 seconds. Data collection is fully automated and quality-controlled before sending to our database.
Use limitation Please refer to our data license page: https://maq-observations.nl/maq-data-license/
Show more Show less

Resources