аЯрЁБс>ўџ 46ўџџџ3џџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџьЅС` јП!bjbjъъ . э€э€!џџџџџџЄjjjjjjj~F F F F Z ~аr ˆ ˆ ˆ ˆ c c c OQQQQQQ$аh8”ujг c c г г ujjˆ ˆ лŠ###г Цjˆ jˆ O#г O##jj#ˆ f €§pЮхЦF ™^#O 0а#Ьї"Ь#Ьj#,c „ч ^#E L‘ Bc c c uu c c c аг г г г ~~~фbф~~~b~~~jjjjjjџџџџ Gold Standard - Closed Path For closed-path systems EUROFLUX raw data files ("gold files") are used for intercomparison of flux software at AmeriFlux sites. The data are available in a number of ways, either via ftp from the Euroflux FTP site or via ftp from the CDIAC server:  ftp cdiac.esd.ornl.gov > anonymous > e-mail address > cd  HYPERLINK "http://cdiac.esd.ornl.gov/ftp/ameriflux/gold/Closed_Path/" /pub/ameriflux/gold/Closed_Path > ls > get .... \01011996_120000_gold_cp_comma.raw (55 mb file) The Gold-file is comma delinated ASCII file with a fixed record length and. \split_files\01011996_hhmmss_ameriflux_gold_cp_csv_yy.raw Are the same data as above, but the total timeseries are split into (19) 30-min discrete timeseries, can easily be used with Edire, NOAA and other processing software. hh = hour, mm = min, ss= sec, yy = run number. Data are (zipped) comma delimited ascii data file consisting of hourmin, seconds, u, v, w, speed of sound (m s-1), CO2 (umol mol-1), and H2O (mmol mol-1). It is a concatenation (plus time stamp) of the half-hourly EUROFLUX "Gold" files orignally provided by Marc Aubinet. The files are successive and may be treated in one run. The period was selected in order to sweep across a large range of meteorological conditions (cloudy, sunny, night). Site and processing information The site is located in Vielsalm in the Belgian Ardennes (50 deg 18'N , 6 deg 00'E). The region has a hilly topography with a 3% slope in the north westerly direction. The climate is temperate maritime (the coast is about 150 km from the site). The forested stand results from plantations established early this century. The vegetation consists of a mixture of coniferous and deciduous species. Pseudotsuga menziesii (Douglas fir) and Picea abies (spruce) are the predominant coniferous species, while Fagus sylvatica (beech) is the main deciduous species. The understory vegetation mainly consists of mosses. The conifers are about 35 m tall and are mainly located to the North East of the instrument tower. The deciduous species are about 27 m and cover predominantly the Southern and Western side of the forest site. The golden files were measured with the wind from the NE. The footprint is thus essentially located in the Douglas Fir area. Fluxes of CO2, water vapor and sensible heat were measured by an eddy covariance system installed on a tower at 40 m height above the forest floor. The eddy covariance instrumentation consisted of a fast response infrared gas analyser (model LI-6262, LI-COR Inc., Lincoln, NE, USA) and a three dimensional sonic anemometer (model SOLENT 1012R2, Gill Instruments, Lymington, UK). Air from above the canopy was drawn through an 8.0 m long and 4 mm diameter PTFE tube and then into the analyzer. The pump (KNF NO22 AN18, Village Neuf, France) was installed downstream of the analyser and provided a flow rate of 6 l min-1. Two Teflon filters (1 GELMAN ACRO 50, 1mm and 1 GELMAN SPIRAL CAP 0.2mm) were also placed upstream of the gas analyser in order to avoid dirtying of the optical chamber. The raw signals were recorded at a frequency of 20.8 Hz. We used a fixed atmospheric pressure of 99 kPa Boom angle was 360К We processed the file using despiking algorithm, 2-d rotation, variable length lagtime dependent on maximizing the correlation between rotated vertical wind velocities and the scalar, block average, and high frequency attenuation is accounted for using Massman’s transfer functions. If you wish to use alternative processing procedures, please contact H. Loescher before running the comparison.     - R S š › К Л Я а ђ џ   + 2 J K M a  ‡   . ^ ` q ~ ‘ ­ Э Ю а е ж н р т ъ ы ѓ і ј ћ ќ M V p r  ђырызырырЮрыЪТНТЙЪЙВЙЪЙЪТ­ТЪЙЪЙЪЉЪЅыЅыЅыы•Ѕыы•ЅыыЪыЪыЪыhЈGhв=кH*hЬmQhЬmQH*hЬmQh=Mі h=Mі5 hЈGhЄ3/hЄ3/ hЈG5hЈGhЈG5hЈGhЈGhв=к0JhЈGhв=к0JjhЈGhв=кU hЈGhв=кhЈGhв=к0JB*phhh\:  . 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Loescherўџр…ŸђљOhЋ‘+'Гй0”˜МШрьј  $0 P \ ht|„ŒфGold Standard - Closed PathHank Loescher Normal.dotH.W. Loescher5Microsoft Office Word@Ш@ђГШ­бФ@ьЬГхЦ ўџеЭеœ.“—+,љЎDеЭеœ.“—+,љЎT hpˆ˜  ЈАИР Ш №фForest Science Gold Standard - Closed Path Titleє 8@ _PID_HLINKSфAЌD`:http://cdiac.esd.ornl.gov/ftp/ameriflux/gold/Closed_Path/™  ўџџџўџџџ !"ўџџџ$%&'()*ўџџџ,-./012ўџџџ§џџџ5ўџџџўџџџўџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџRoot Entryџџџџџџџџ РF`ф|ЮхЦ7€Data џџџџџџџџџџџџ1TableџџџџЬWordDocumentџџџџ. SummaryInformation(џџџџџџџџџџџџ#DocumentSummaryInformation8џџџџџџџџ+CompObjџџџџџџџџџџџџqџџџџџџџџџџџџўџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџџўџ џџџџ РFMicrosoft Office Word Document MSWordDocWord.Document.8є9Вq