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Category Archives: Tools
Modeling, Measuring, and Comparing Crop Evapotranspiration in the Delta
by Jesse Jankowski Crop evapotranspiration (ET) is the biggest managed loss of water in California, accounting for roughly 80% of human net water use, and includes crop water applications transpired from plants and evaporated from soil. Methods to estimate ET … Continue reading
Posted in Agriculture, California Water, Delta, Planning and Management, Tools
Tagged evapotranspiration, Jesse Jankowski
1 Comment
California’s Water Data Problems are Symptoms of Inchoate Science and Technical Activities
“The truth is lost when there is too much contention about it.” – Publius Syrus (43 BC) by Jay Lund In 2016, California’s legislature passed AB 1755, the Open and Transparent Water Data Act, requiring that State agencies provide water … Continue reading
Drought Water Right Curtailment – Analysis, Transparency, and Limits
By Jay Lund, Ben Lord, Andrew Tweet, Wesley Walker, Chad Whittington, Reed Thayer, Jeff Laird, Quinn Hart, Nicholas Santos, William Fleenor, Julia Pavicic, Lauren Adams, and Bradley Arnold Drought often means not having enough water to satisfy all water-right holders. … Continue reading
Preliminary Analysis of Hurricane Harvey Flooding in Harris County, Texas
by Nicholas Pinter, Nicholas Santos, and Rui Hui Located in Harris County, Texas, Houston is the 4th most populous city in the US. The flooding now unfolding in the Houston area is a human and economic disaster likely to rank … Continue reading
Posted in Around the World, flood, Floodplains, Planning and Management, Tools
Tagged Nicholas Pinter, Nick Santos, Rui Hui
42 Comments
A simplified method to classify streams and improve California’s water management
by Belize Lane, Sam Sandoval, and Sarah Yarnell Alterations to the natural flow regime for human water management activities have degraded river ecosystems worldwide. Such alterations are particularly destructive in regions with highly variable climates like California, where native riverine … Continue reading
Shadow theater and data management for the Delta – a video
By Amber Manfree Data and data management are persistent concerns for the Delta and California water more generally. Data Wars: A New Hope, a shadow puppet play on the subject, was shown at the 2016 Bay-Delta Science Conference in Sacramento. … Continue reading
Posted in Tools
Tagged Amber Manfree, art, data management, delta shadow puppet, science communication
1 Comment
How much water was pumped from the Delta’s Banks Pumping Plant? A mystery.
By Jay Lund As the old saying goes, “Someone with one watch knows what time it is, someone with two watches is never sure.” Water accounting is fundamental to water management, but is not easy. But any accounting is more … Continue reading
Posted in California Water, Planning and Management, Tools, Uncategorized
Tagged Jay Lund
10 Comments
Visualizing Flows – A Sandbox Experience with Modeling
by Jeanette Newmiller In winter quarter 2016, Dr. Colleen Bronner of the UC Davis Department of Civil Engineering gathered a small group of graduate students and posed a challenge. To support new education standards involving teaching engineering methods throughout K-12 … Continue reading
Posted in education, Tools, Uncategorized, Virtual Water, Water System Modeling
Tagged Jeanette Newmiller, Megan Nguyen
5 Comments
Sailing the Seas of Data Discovery
by Megan Nguyen Which display is more engaging to you? The table or the map? Do you remember a time when you really needed to find something in your room that you know you for certain have but can’t remember … Continue reading
Science takes flight: aerial imagery provides new opportunities and insights
By Devon Lambert Remote sensing is all the rage as we start the New Year, largely due to its ability to exponentially increase our areas of analysis for research. What used to take us weeks to survey with traditional field … Continue reading
Posted in Biology, Planning and Management, Salmon, Tools, Uncategorized
Tagged Devon Lambert, Klamath River, remote sensing, Shasta River
2 Comments