Standardized precipitation measurements within ICOS : rain, snowfall and snow depth: a review

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Dengel , S , Graf , A , Gruenwald , T , Hehn , M , Kolari , P , Lofvenius , M O , Merbold , L , Nicolini , G & Pavelka , M 2018 , ' Standardized precipitation measurements within ICOS : rain, snowfall and snow depth: a review ' , International Agrophysics , vol. 32 , no. 4 , pp. 607-617 . https://doi.org/10.1515/intag-2017-0046

Title: Standardized precipitation measurements within ICOS : rain, snowfall and snow depth: a review
Author: Dengel, Sigrid; Graf, Alexander; Gruenwald, Thomas; Hehn, Markus; Kolari, Pasi; Lofvenius, Mikaell Ottosson; Merbold, Lutz; Nicolini, Giacomo; Pavelka, Marian
Contributor: University of Helsinki, Department of Physics
Date: 2018-12
Language: eng
Number of pages: 11
Belongs to series: International Agrophysics
ISSN: 0236-8722
URI: http://hdl.handle.net/10138/288190
Abstract: Precipitation is one of the most important abiotic variables related to plant growth. Using standardised measurements improves the comparability and quality of precipitation data as well as all other data within the Integrated Carbon Observation System network. Despite the spatial and temporal variation of some types of precipitation, a single point measurement satisfies the requirement as an ancillary variable for eddy covariance measurements. Here the term precipitation includes: rain, snowfall (liquid water equivalent) and snow depth, with the latter two being of interest only where occurring. Weighing gauges defined as Integrated Carbon Observation System standard with the capacity of continuously measuring liquid and solid precipitation are installed free-standing, away from obstacles obstructing rain or snowfall. In order to minimise wind-induced errors, gauges are shielded either naturally or artificially to reduce the adverse effect of wind speed on the measurements. Following standardised methods strengthens the compatibility and comparability of data with other standardised environmental observation networks while opening the possibility for synthesis studies of different precipitation measurement methodologies and types including a wide range of ecosystems and geolocations across Europe.
Subject: ICOS
protocol
precipitation
rain
snow
WIND-INDUCED LOSS
THROUGHFALL
MICROLYSIMETER
EVAPORATION
STEMFLOW
GAUGES
ERROR
DEW
114 Physical sciences
1172 Environmental sciences
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