Skip to main content

Posts

How to generate Small‑Scale Power for Self‑Reliant Farms?

Open your very own WordPress Website (AD) The scope and purpose of Anderson’s manual are to give ordinary farmers enough practical understanding of electricity to design, install, and run their own small plants for lighting, heating, and motive power, using the modest water wheels or farm engines they already possess. Written in an accessible, story‑like style, it aims to demystify electrical technology and show that, under typical farm conditions, a private plant can be both technically feasible and economically comparable to buying a good workhorse. Scope Anderson deliberately narrows his scope to the small, self‑contained farm or cluster of neighboring farms that have access to a minor water‑power site or a gasoline engine, rather than to large commercial utilities or high‑voltage transmission systems. The book ranges from simple explanations of horsepower, head, and flow in a farm stream to the selection and coupling of water wheels and dynamos, sizing storage batteries, and laying...
Recent posts

“Twenty Waves of Change”: Why 2025 Became a Watershed Year for Water

Support HydroGeek The HydroGeek post “Twenty Waves of Change: Top 20 Water Stories of 2025” gathers the year’s most striking water headlines into a single powerful narrative. From deadly floods and brutal droughts to digital water breakthroughs and bold governance shifts, these stories together show how quickly and unevenly the world’s water future is changing. library ​ A year of extremes Across continents, 2025 was marked by record‑breaking droughts and catastrophic floods often hitting the same regions within months. Rivers ran dry in some basins while others burst their banks under unprecedented rainfall, reinforcing scientific warnings about a more erratic global water cycle in a warming climate. bwi +2 ​ These extremes pushed many cities and rural areas toward acute water stress, reviving “Day‑Zero” language and making abstract climate projections feel uncomfortably real for millions of people. news.un +2 ​ Crisis in access and equity The blog also highlights how, despite technol...

Hydrology’s First Quantitative Rainfall–Runoff Experiment: Why It Still Matters Today

The story of modern hydrology does not begin with satellites, supercomputers, or deep learning models. It begins with a simple, yet revolutionary question: Is rainfall alone enough to explain the flow of a river? The answer, first demonstrated quantitatively in the Seine basin, quietly transformed hydrology from a discipline of speculation into a measurement‑driven science. hydrogeek.substack ​ A recent HydroGeek article, “Do you know who performed the first quantitative rainfall–runoff estimates?”, revisits this turning point and the scientist behind it, often described as a founder of experimental hydrology. This blog builds on that piece—zooming out to show why that early work still shapes how hydrologists think, model, and manage water today. hydrogeek.substack ​ The world before quantitative rainfall–runoff Before this pioneering study, many scholars and engineers doubted whether rainfall alone could sustain the perennial flow of major rivers. Explanations often invoked vag...

Exploring a New Research Frontier: Coastal Salinity Sensor Network Design Part 5 of 6

Coastal salinity is emerging as one of the most critical indicators of how climate change, sea-level rise, and human interventions are reshaping our coasts. Coastal aquifers, estuaries, and deltaic systems are under growing pressure from saltwater intrusion, threatening drinking water security, agriculture, and ecosystem health. Designing a robust coastal salinity monitoring network is no longer optional; it is a prerequisite for informed planning, prediction, and policy. Why salinity monitoring matters Salinity controls density-driven circulation, stratification, and mixing in coastal and estuarine waters, which in turn influence sediment transport, nutrient cycling, and habitat suitability for aquatic life. Changes in salinity patterns can signal upstream over-extraction, altered river discharge, storm surges, and sea-level rise long before they become visible crises. Continuous and spatially representative salinity measurements help in early detection of intrusion “fronts,” seasonal...