Agilent Measurement Journal - Issue 3 - 2007 - (Page 74)

A second installation was deployed during the summer of 2007 in the Walla Walla region of southeastern Washington State. Walla Walla (literally “water, water” in the Native American Sahaptin language) is a rich agricultural area famous for sweet onions, winter wheat and, more recently, wine. The Walla Walla Basin Watershed Council is overseeing a number of hydrological monitoring projects, including a recharge project that takes a signiﬁcant portion the Walla Walla River and directs it back into regional aquifers.10 Over the past 50 years, groundwater pumpdown caused many streams to disappear, taking with them the ﬁsh and wildlife that depended on those streams. The Agilent DTS is aiding in both gauging the recharge of the aquifers and providing a ﬁrst-hand look at the streams that are returning to the Walla Walla region after a 50-year absence. References 1. Soto, M.A., Sahu, P.K., Faralli, S., Sacchi, G., Bolognini, G., Di Pasquale, F., Nebendahl, B., and Rueck, C. 2007. Highperformance and high-reliable Raman-based distributed temperature sensors based on correlation-coded OTDR and multimode-graded index ﬁbers. Proc. SPIE, Vol. 6691, 66193B. 2. Sischka, F., Newton, S.A., and Nazarathy, M. 1988. Complementary Correlation Optical Time-Domain Reﬂectometry. Hewlett-Packard Journal, December 1988: 14-21. 3. Pielou, E.C. 2000. Fresh Water. University of Chicago Press. 4. Glennon, R.J. 2004. Water Follies: Groundwater pumping and the fate of America’s fresh waters. Island Press. 5. Kendall, C., and McDonnell, J.J. (editors). 1998. Isotope Tracers in Catchment Hydrology. Elsevier Science. 6. Selker, J.S., Thévenaz, L., Huwald, H., Mallet, A., Luxemburg, W., van de Giesen, N., Stejskal, M., Zeman, J., Westhoff, M., and Parlange, M.B. 2006. Distributed Fiber Optic Temperature Sensing for Hydrologic Systems. Water Resource Research 42, W12202. 7. Selker, J.S., van de Giesen, N., Westhoff, M., Luxemburg, W, and Parlange, M. 2006. Fiber Optics Opens Window on Stream Dynamics. Geophysical Research Letters, DOI:10.1029/ 2006GLO27979. 8. An interactive map of the H. J. Andrews Experimental Forest is available at www.fsl.orst.edu/lter/ 9. The workshop announcement is available online at oregonstate.edu/conferences/ﬁberoptic2007 10. For more information about hydrologic monitoring projects in the Walla Walla Basin see www.wwbwc.org/Projects/ Monitoring_Research/Surface_Ground_Water_Hydrology.htm Conclusion Streamﬂow dynamics are the lifeblood of many ecological communities. Distributed temperature sensing is a unique new technology researchers can use to better measure and understand environments and ecologies. The technology opens new possibilities for assessing water quantity and quality in real-time with excellent resolution in both space and time. Today, the Agilent DTS is enabling a more thorough view of streamﬂow dynamics by providing a cost-effective way to make distributed measurements. Looking to the future, distributed sensor technologies will enable new in situ measurements that address concerns ranging from pollutant tracking for environmental protection to irrigation measurements for precision agriculture. 74 Agilent Measurement Journal 7 Agilent Measurement Journal http://www.fsl.orst.edu/lter/ http://oregonstate.edu/conferences/fiberoptic2007 http://www.wwbwc.org/Projects/Monitoring_Research/Surface_Ground_Water_Hydrology.htm http://www.wwbwc.org/Projects/Monitoring_Research/Surface_Ground_Water_Hydrology.htm

Table of Contents Feed for the Digital Edition of Agilent Measurement Journal - Issue 3 - 2007

Applying Ingenuity to the Measurement of Emerging Technologies Contents Emerging Innovations Department Delivering Bigger Benefits by Optimizing Customer Workflows Measuring Material Properties at the Nanoscale Utilizing In Situ Atomic Force Microscopy in Life Science, Pharmaceutical and other Bio-Related Applications WiMAX™: Plotting a New Path to Global Mobility Addressing the Triple Complexity of Triple-Play Networks What Next for Mobile Telephony? Exploring the Inner Workings of Tire-Pressure Monitoring Systems Developing, Assessing and Applying a High-Resolution Thin-Film Magnetic Probe Making Accurate Settling-Time Measurements Using a Vector Network Analyzer Applying Metabolomics Methods to the Study of Bacterial Leaf Blight in Rice Plants Measuring Stream Dynamics with Fiber Optics survey

Agilent Measurement Journal - Issue 3 - 2007

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