Application Notes, Tech Tips, and Other Documents
| Summary | ||
|---|---|---|
| NEW! Logging sun-induced fluorescence, reflectance, and vegetation indices in EC datasets | Instructions for using the JB Hyperspectral Devices RoX and FloX instruments with LI-COR eddy covariance systems. This enables you to log sun-induced fluorescence and reflectance parameters, as well as vegetation indices, in eddy covariance data sets. | application note |
| The Importance of Water Vapor Measurements and Corrections | This application note describes how water vapor influences the measurement of carbon dioxide by infrared gas analysis in several ways, which can lead to significant measurement errors. | application note |
| Measuring Evapotranspiration with LI-COR Eddy Flux Systems | Application note that describes measurement of evapotranspiration with LI-COR eddy covariance systems. | application note |
| Communicating with LI-COR instruments using LabVIEW | Basic instructions that describe how to communicate with LI-COR instruments using LabVIEW. Includes sample programs to read data. | application note |
| Using the StarDot PhenoCam in Eddy Covariance Systems | Instructions for installing and configuring the StarDot PhenoCam in eddy covariance systems | install guide |
| Gas Analyzer Mounting Hardware | Installation guide for hardware to mount gas analyzers and sonic anemometers to a tripod or tower. | install guide |
| Head Cable Extension for the LI-7200 and LI-7200RS | Technical Note about the 9972-032 extension cable for the LI-7200. | install guide |
| SunWize Solar Power Supplies Instruction Manual | Instruction manual for using SunWize solar power supplies with LI-COR equipment. | manual |
| LI-7500A and LI-7500RS Open Path CO2/H2O Gas Analyzer Instruction Manual | Instruction Manual for the LI-7500RS and LI-7500A. | manual |
| New tools for a comprehensive time- and space-synchronized flux, weather, and soil optical sensor networks | Poster presentation from the European Geophysical Union (2018) meeting that describes the integration of measurements across scales. | poster |
| Field Examination of Low Temperature Control Setting for Mediating Surface Heating Effect in Open Path Fluxes Under Cold Conditions | Poster describing the low temperature setting in the LI-7500A Open Path CO2/H2O analyzer. | poster |
| Solution for Minimizing Surface Heating Effect for Fast Open-Path CO2 Flux Measurements in Cold Environments | Poster describing new instrument temperature settings to minimize surface heating effects with the LI-7500A. | poster |
| Comparison of CO2 and H2O Eddy Fluxes Derived from Density and from Mixing Ratio Measured by an Enclosed Gas Analyzer | Poster comparing fluxes computed from density and mixing ratio. | poster |
| Two New Low-power and Light-weight Solutions for Fast Measurements of CO2 and H2O Exchange | Poster describing the LI-7500A and LI-7200 infrared gas analyzers for eddy covariance measurements. | poster |
| LI-7500RS and SmartFlux 2 System Quick Start Guide | Provides a broad overview of the setup process. | quick start guide |
| Dealing with Daylight Saving Time | This tip advises on the use of daylight saving time with LI-COR products. | tech tip |
| Using the Sable Systems DG-4 to set the H2O span for LI-COR gas analyzers | You can adjust the H2O span in many LI-COR gas analyzers with a dewpoint generated by the Sable Systems DG-4 Dewpoint Generator. This tech tip provides some details. | tech tip |
| Fresh Data Every Morning | This technical tip describes how to configure your Eddy Covariance System to automatically download data at a set time each day. | tech tip |
| Wiring RM Young Sonic Anemometer Analog Output to a LI-COR Eddy Covariance System | Tech tip describes how to connect analog outputs from an RM Young anemometer to a LI-COR eddy covariance system. | tech tip |
| Logging Analog Data from a CSAT3 | This technical tip describes how to configure the Campbell Scientific CSAT3 sonic anemometer to log raw flux data into the .ghg file format for use with the LI-7200, LI-7200RS, LI-7500A, or LI-7500RS. | tech tip |
| Choosing a USB Drive | This technical tip gives some guidelines for choosing a USB flash drive for use with the LI-7550 Analyzer Control Unit. | tech tip |
| Summer and Winter Settings | This technical tip describes how and when to change the software setting for regulating the temperature of the chopper motor housing to ensure stable performance in changing weather. | tech tip |
| How to Routinely Check an Eddy Covariance System to Ensure Normal Operation | Tech tip that describes some practices that will keep your EC station up and running. | tech tip |
| Interpreting Diagnostic Values | This technical tip describes how to interpret the diagnostic bit values that are output by the LI-7200 and LI-7500A CO2/H2O Analyzers. | tech tip |
| LI-7550 Software Versions | Tech tip describing differences between LI-7550 software versions up to version 7.5 | tech tip |
| Converting an LI-7700-enabled LI-7550 to LI-7500A/RS-enabled | Tech tip that describes how to update the software in LI-7700 enabled LI-7550 boxes so the box is compatible with the LI-7500A/RS. | tech tip |
| Using a Cradlepoint Modem with a LI-COR EC System | This technical tip describes how to use a Cradlepoint modem to enable remote communications with LI-COR eddy covariance systems. | tech tip |
| Uploading data files to Dropbox | Instructions for configuring Dropbox® and LI-COR eddy covariance systems (win-GHG software) or the LI-8250 Multiplexer to automatically transfer data on schedule. | tech tip |
| Troubleshooting Ethernet Connectivity Issues with LI-COR Gas Analyzers | This document provides tips for connecting with network-enabled devices, including the LI-7500A/RS/DS, LI-7200/RS, and LI-7700. | tech tip |
| Solar power supply considerations | Describes how to determine the correct size of solar and battery power supply for an eddy covariance site. | tech tip |
| Eddy Covariance Tower Mounting Hardware Considerations | Technical note entitled 'Eddy Flux Tower Mounting Considerations and Suppliers'. | technical note |
| Effects of temperature and pressure on CO2 infrared absorption with special emphasis on problems resulting from operation at high flow rates | Article describing the effects of temperature and pressure on absorption of infrared energy by carbon dioxide. | technical note |
| Effects of Temperature, Pressure, and Water Vapor on Gas Phase Infrared Absorption by CO2 | Article that describes the effects of temperature, pressure, and water vapor on absorption of infrared energy by carbon dioxide. | technical note |
| Using the LI-7550 Desiccant Pack | This technical note describes how to use a desiccant pack kit (part number 7550-950) to prevent condensation from forming in the LI-7550 Analyzer Control Unit. | technical note |