Campbell Scientific Open Path Eddy Covariance (OPEC) - Manual (Page 5)

Table of Contents
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1. System Description ....................................................1
1.1 OPEC (CSAT3 Only)...........................................................................1
1.2 Basic OPEC..........................................................................................1
1.3 Extended OPEC ...................................................................................2
1.4 Additional Fast Response Sensors .......................................................2
2. Installation and Mounting ..........................................2
2.1 Fetch and Sensor Height ......................................................................4
2.2 Mounting..............................................................................................4
2.2.1 Measure Sonic Azimuth................................................................4
2.3 Wiring ..................................................................................................4
2.4 Power ...................................................................................................4
3. System Datalogger Program......................................5
3.1 Program Configuration.........................................................................6
3.1.1 Sonic Azimuth ..............................................................................6
3.1.2 Sensor Configuration ....................................................................8
3.2 Loading a Program to the Datalogger ..................................................9
3.2.1 Direct Connection via LoggerNet .................................................9
3.2.2 Remote via PC/CF Card................................................................9
3.3 System Operation ...............................................................................10
3.3.1 Monitoring Data..........................................................................10
3.3.2 Status Table.................................................................................10
4. Data ............................................................................11
4.1 Data Retrieval ....................................................................................12
4.1.1 Direct Connection Data Retrieval via LoggerNet .......................13
4.1.2 File Management with Baler.......................................................15
4.1.3 Remote Data Retrieval via a PC/CF Card...................................17
4.1.4 File Management with CardConvert...........................................18
4.1.4.1 Collecting Data with One Card ........................................21
4.1.4.2 Collecting Data with Two Cards ......................................22
4.2 Data Processing..................................................................................24
4.2.1 Online Processing .......................................................................24
4.2.2 Off-line Processing with EdiRe ..................................................24
4.2.2.1 Creating Raw File Format and Processing Lists ..............25
4.2.2.2 Example EdiRe Raw File Format and Processing Lists ...27
5. Basic Eddy-Covariance Theory ...............................31
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