In hydrology, "drawdown" refers to the reduction in the water level in a well or aquifer caused by water being extracted for various uses, such as agriculture, industrial processes, or municipal supply. It is a crucial concept in groundwater management, as it reflects the sustainability of water extraction practices and the overall health of aquifers.
Draining and development of the Everglades refers to the historical processes and activities that have significantly altered the natural landscape and hydrology of the Everglades ecosystem in Florida. Here’s an overview of those processes: ### Draining of the Everglades 1. **Historical Context**: The Everglades is a vast subtropical wetland that originally covered about 4 million acres.
A drainage tunnel is a subterranean channel designed to manage and redirect water, primarily to prevent flooding and manage groundwater levels. These tunnels can be part of a larger drainage system and serve various purposes, including: 1. **Flood Control**: By diverting excess water away from populated or susceptible areas, drainage tunnels help mitigate the risk of flooding during heavy rain or melting snow.
The drainage equation, often used in hydrology and soil physics, describes the movement of water through soil or other porous media. It is essential for understanding how water drains from the soil, which affects agricultural practices, irrigation, and groundwater management. One common form of the drainage equation is derived from Darcy's law, which relates the flow of water through a porous medium to the hydraulic gradient. The drainage equation can be expressed in various forms, depending on the context and assumptions made.
A detention basin, also known as a detention pond, is a stormwater management facility designed to temporarily hold rainwater runoff and release it slowly over time. The primary purpose of a detention basin is to manage stormwater flows in order to prevent flooding, reduce erosion, and improve water quality by allowing sediments and pollutants to settle out of the water before it is released into downstream waterways.
"Desagüe" is a Spanish term that translates to "drain" or "drainage" in English. It refers to the system or process by which excess water, usually from rain or other sources, is removed from an area. This can involve various methods, including natural drainage systems like rivers and ditches, as well as engineered solutions such as pipes and drainage channels.
Daylighting, in the context of streams and waterways, refers to the practice of reopening and restoring natural streams that have previously been buried or diverted into culverts, pipes, or other artificial channels. The goal of daylighting is to restore the natural flow of water, improve ecological health, enhance water quality, and revitalize surrounding landscapes and communities.
Conjugate depth is a term used primarily in the context of optics and imaging, particularly in relation to lenses and optical systems. It refers to the specific location in an optical system where light rays converge or where an image is formed, which is conjugate to another point.
A combined sewer is a type of wastewater collection system that conveys both sewage (wastewater from households and industries) and stormwater (rainwater runoff) in a single pipe. This system is designed to handle both types of runoff but can lead to problems, especially during heavy rain events. When there is significant rainfall, the volume of water can exceed the capacity of the combined sewer system, resulting in combined sewer overflows (CSOs).
The COBRA probe, or the "COral and Fisheries Biodiversity Research Assessment" probe, refers to an advanced marine research tool designed to study coral reef ecosystems and assess biodiversity in marine environments. It is typically equipped with various sensors and instruments to collect data on water quality, temperature, light levels, and other environmental parameters, as well as to conduct observations of marine life.
The Chianan Irrigation System is a major irrigation project located in Taiwan, primarily serving the agricultural regions in the Chianan area, which includes parts of Tainan, Chiayi, and Yunlin counties. Established in the mid-20th century, the system plays a crucial role in managing water resources for irrigation in a region known for its agriculture, particularly rice, fruits, and vegetables.
Carlo Lotti may refer to a few different subjects, but it often pertains to a notable figure in the context of art, literature, or music. Specifically, Carlo Lotti is not widely recognized as a prominent historical figure in mainstream culture or history.
The California Gold Rush was a pivotal event in American history that began in 1848 and lasted into the early 1850s. It originated when gold was discovered at Sutter's Mill in Coloma, California, by James W. Marshall, a carpenter working for John Sutter, a Swiss immigrant and land baron. News of the discovery spread rapidly, leading to a massive influx of people to California in search of wealth.
Cable fairing refers to structures designed to reduce the drag and turbulence caused by underwater cables, such as those used for telecommunications or electricity transmission. Fairings are typically streamlined shapes that help to minimize resistance and improve the hydrodynamic performance of cables when they are laid on or buried in the seabed. These fairings can be particularly important in ocean environments, where high currents and turbulent conditions can affect the stability and efficiency of the cables.
Bridge scour is the process by which the natural flow of water erodes the foundation materials (such as soil, sand, or gravel) around and beneath a bridge structure. This erosion happens due to the fast-moving water around bridge piers, abutments, or other components, which can remove sediment and weaken the structural support.
Borehole mining is a method of extracting minerals or resources from the earth through boreholes, which are essentially deep, narrow holes drilled into the ground. This technique is often used to mine specific minerals or materials from locations that may be difficult to access with conventional mining methods. Here are some key features and aspects of borehole mining: 1. **Drilling Process**: Borehole mining involves drilling a borehole vertically or at an angle to reach the target mineral deposit.
"Berkad" can refer to a few different concepts depending on the context: 1. **Somali Culture**: In Somali tradition, "berkad" (or "berkadi") refers to a water storage structure often made of concrete or other materials. These structures are used to collect and store rainwater, which is particularly valuable in arid regions where water scarcity is a concern.
The concept of "Beam Origin" often relates to physics, particularly in the study of particle beams in particle accelerators or optics, as well as in fields like computer graphics and laser technology. However, without a specific context, it's a bit ambiguous. Here are a few interpretations based on different domains: 1. **Particle Physics**: In high-energy physics, the "origin" of a beam can refer to the starting point of a particle beam, where particles are generated and emitted.
A "balancing lake" is a type of water body used in hydrology and civil engineering, particularly in the context of stormwater management. It serves as a temporary storage area for excess rainwater or stormwater runoff. The primary purpose of a balancing lake is to regulate water flow, reduce flooding risks, and maintain water quality before the water is gradually released back into a natural watercourse or stormwater system.
Avulsion, in the context of rivers, refers to the rapid change in a river's course that occurs when a river channel is abandoned in favor of a new one. This process can happen due to various factors, including natural events like flooding, erosion, sediment deposition, or human activities that alter the landscape around the river.

Pinned article: Introduction to the OurBigBook Project

Welcome to the OurBigBook Project! Our goal is to create the perfect publishing platform for STEM subjects, and get university-level students to write the best free STEM tutorials ever.
Everyone is welcome to create an account and play with the site: ourbigbook.com/go/register. We belive that students themselves can write amazing tutorials, but teachers are welcome too. You can write about anything you want, it doesn't have to be STEM or even educational. Silly test content is very welcome and you won't be penalized in any way. Just keep it legal!
We have two killer features:
  1. topics: topics group articles by different users with the same title, e.g. here is the topic for the "Fundamental Theorem of Calculus" ourbigbook.com/go/topic/fundamental-theorem-of-calculus
    Articles of different users are sorted by upvote within each article page. This feature is a bit like:
    • a Wikipedia where each user can have their own version of each article
    • a Q&A website like Stack Overflow, where multiple people can give their views on a given topic, and the best ones are sorted by upvote. Except you don't need to wait for someone to ask first, and any topic goes, no matter how narrow or broad
    This feature makes it possible for readers to find better explanations of any topic created by other writers. And it allows writers to create an explanation in a place that readers might actually find it.
    Figure 1.
    Screenshot of the "Derivative" topic page
    . View it live at: ourbigbook.com/go/topic/derivative
  2. local editing: you can store all your personal knowledge base content locally in a plaintext markup format that can be edited locally and published either:
    This way you can be sure that even if OurBigBook.com were to go down one day (which we have no plans to do as it is quite cheap to host!), your content will still be perfectly readable as a static site.
    Figure 5. . You can also edit articles on the Web editor without installing anything locally.
    Video 3.
    Edit locally and publish demo
    . Source. This shows editing OurBigBook Markup and publishing it using the Visual Studio Code extension.
  3. https://raw.githubusercontent.com/ourbigbook/ourbigbook-media/master/feature/x/hilbert-space-arrow.png
  4. Infinitely deep tables of contents:
    Figure 6.
    Dynamic article tree with infinitely deep table of contents
    .
    Descendant pages can also show up as toplevel e.g.: ourbigbook.com/cirosantilli/chordate-subclade
All our software is open source and hosted at: github.com/ourbigbook/ourbigbook
Further documentation can be found at: docs.ourbigbook.com
Feel free to reach our to us for any help or suggestions: docs.ourbigbook.com/#contact