Jeff Chan

New Download – Soil Geomorphology: A Pedological Guide to Soil Moisture Sensors

Soil

Developed by B. K. Bellingham, Soil Scientist at Stevens, this is an excellent resource for anyone installing soil moisture sensors and interpreting soil moisture data. Here’s what’s inside: Soil Geomorphology and Properties Soil Development Soil Texture and Components Soil Horizons Soil Orders and Taxonomy Soil pH Soil Bulk Density Shrink/Swell Clays Soil Ped Structure and …

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HydraProbe and Stevens-Connect Aids in Understanding Drought Tolerant Crops

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In the summer of 2019, Stevens Water Monitoring Systems and the Oregon State University (OSU) Hermiston Agricultural Research and Extension Center (HAREC) partnered to evaluate watermelon water-use efficiency through advanced sensor-based, sub-surface drip irrigation. The project at OSU was located at the HAREC Horticulture program in Hermiston, home of the famous watermelons we all love. …

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Stevens-Connect Now Includes Support for Campbell Scientific Data Loggers

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Stevens-Connect recently received a huge makeover, and in the process received a new, refined interface and became more powerful and flexible. Part of the new power we’ve introduced is the ability to utilize data from various 3rd-party sources, such as USGS, NCRS, Advanced Hydrological Prediction Service, mesonets and more. Data from these feeds can be …

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Flow Analysis – Meteorological Technology International Magazine Published Article

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One of the world’s largest meteorological networks, SNOTEL, is employing soil moisture sensors to monitor the impact of soil water content on stream flow forecasts By Keith Bellingham, Soil Scientist & Geochemist / Certified Professional Hydrologist Download a PDF of this article  Many complex political, social, environmental and scientific challenges impact water resources. Snow telemetry …

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Summary of 2018 MOISST Workshop

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Stevens recently sponsored the 2018 MOISST Workshop: From Soil Moisture Observations to Actionable Decisions, which was held June 4-7 in Lincoln, Nebraska. This workshop provided a unique opportunity for leaders in soil moisture research and development to come together in an interactive workshop format to exchange ideas and develop collaborations. This was the eighth consecutive …

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HydraProbe used in Mars Rover Challenge by Manipal University in India

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UPDATE: The talented team of engineers ended up placing 7th overall out of 95 entries. Congratulations guys and gals! The original article continues below. The University Rover Challenge has been held every summer in Utah by the Mars Society. It’s a competition open to universities worldwide that encourages students to develop skills in robotics, improve the state-of-the-art …

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Introducing AVO

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Avo is a complete monitoring station platform. It includes all hardware, software and services needed for data acquisition, cloud-based data storage, viewing and analysis. It makes any sensor data easily accessible and the station remotely configurable. Watch the two-minute video: https://youtu.be/ZwEVrE3fggg

Meteorology Sensors Overview

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Weather conditions are often an integral element in water resource and irrigation management applications. Weather parameters are frequently used in understanding and modeling environmental applications that are dependent on water resources. Stevens provides top quality and industry leading weather sensors that are easily deployed into an integrated environmental monitoring and control system. Here is an …

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Soil Sensors Overview

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As a leader in soil monitoring instrumentation, Stevens offers portable and in-situ sensors to measure moisture,  EC (salinity), temperature and matric potential. Moisture, EC and Temperature – In-Situ Used in more water supply forecast and climatological networks than any other soil sensor. The most scientifically researched soil sensor available. RELIABLE: Continual, long-term data without calibration. …

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Staff Gages Overview

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Stevens’ environmentally rugged staff gages provide a quick and easy visual indicator of water level and flow. Every water level monitoring station should include a staff gage from which the height of the water may be visually and easily compared to any data logger’s reported measurement. Enamelled iron gages are preferred over other type gages …

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Join our team!

Careers

Stevens is always looking for top talent. If you want to work with us, we invite you to submit your resume to careers@xagv06q304-staging.onrocket.site.

Water Level Sensors Overview

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Stevens is the original water level measurement instrumentation company with the introduction of the widely known chart recorders introduced in 1911. Today, Stevens offers a wide selection of water level measurement sensors including robust ceramic pressure sensors, shaft encoders, acoustical sensors, and visual reference staff gages. Stevens still offers the low-powered, mechanical chart recorders for …

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Protecting Remote Monitoring Sites from Lightning Damage

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Protecting monitoring sites from lightning damage is an important consideration for monitoring equipment and stations that are deployed in areas that are prone to lightning strikes. Even lightning that does not directly strike a site may cause damage by traveling through the ground and into buried sensors or cable. Proper planning for such events can …

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A Brief History of Stevens’ 116 Year Chart Recorder Legacy

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The legendary mechanical chart recorder for environmental monitoring dates back to 1911, when John C. Stevens invented the Type A chart recorder. In 1906, J.C. Stevens was the Hydrographer for the USGS out of Portland, Oregon, and was soon promoted to District Engineer. While with the USGS, he realized that hiring local citizens to observe …

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