Hydrology
How Good Is Good Enough?
The New Zealand Hydrological Society hosted an ADCP flow regatta as part of the Technical Workshop in Dunedin from April 3-6. The field event followed...
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Hydrology
Hydrometry & Hydrology – The Next Generation
At Aquatic Informatics, we are encouraged to take an active role in the community and so I was quick to agree when I was recently...
Hydrology
USGS Goes Live With AQUARIUS Time-Series Software
The United States Geological Survey (USGS) has replaced its custom, in-house developed, Automated Data Processing System (ADAPS) originally designed in 1985 with the commercial-off-the-shelf (COTS)...
Hydrology
Messy Rivers are Healthy Rivers
Dr. Ellen Wohl provoked the audience to give thought to how we evaluate river health in her keynote address to the Riverflow 2016 Conference in...
Hydrology
Stage-Discharge Rating Curves – Geophysics or Religion?
Almost everything we know about our global freshwater resources is due to the humble stage-discharge rating curve. The vast majority of all flow data ever...
Hydrology
Drones – Providing a New Perspective on Hydrometry
Unmanned Aerial Vehicles (UAV) also known as drones, can be used for Large-Scale Particle Image Velocimetry to provide cross-sectional hydrometry info.
Hydrology
Extreme Gauging – How to Extend Rating Curves With Confidence
Extreme flows are extremely hard to gauge, hence we get very few gaugings to accurately define the top-end of stage-discharge rating curves. This is a...
Hydrology
Data Rounding and Why You Should Care
To understand why modern data management systems store data to double precision we must consider the distinction between storing and reporting of data.
Hydrology
How to Get Better Flow Measurements Using the Rising Bubble Method
One objective of the Hydrology Corner is to provide a forum where hydrometric problems can be discussed and clever solutions to those problems can be...
Hydrology
The Weaponization of Water Data
Every change in the expected pattern of variability of water supply and quality poses a threat to the security of the water, food and energy...
Hydrology
A Hydrologist’s Holiday
A 3-day hike in July on the Wapta Icefield in the Canadian Rockies with my son took us up the Bow Glacier, briefly onto the...
Hydrology
The Other Extreme : the Measurement of Water Flow
Most conversations about extreme measurements focus on flood flow. However, I recently had a conversation with Emily Huxter about her…