Peroxynitrite (ONOO^−) is a reactive nitrogen species formed by the reaction of nitric oxide (NO) with superoxide (O2•−), which is a reactive oxygen species. It is a powerful oxidizing agent and is known to participate in various biochemical processes in the body. Peroxynitrite can modify proteins, lipids, and nucleic acids, leading to oxidative stress and potential cellular damage.

Rayleigh fractionation is a process that describes the preferential separation of different isotopes of an element during phase changes, such as evaporation or condensation. This phenomenon occurs due to the slight differences in the physical properties (such as vapor pressure or diffusion rates) of the isotopes. In the context of evaporation, for example, lighter isotopes tend to evaporate more readily than heavier ones.

The Föhn effect, also known as the chinook wind in North America, refers to a meteorological phenomenon that occurs when a humid air mass is forced to ascend over a mountain range. As the air rises, it expands and cools, leading to condensation and precipitation on the windward side of the mountains.

Continuous gusts typically refer to a phenomenon in meteorology where there are persistent bursts of wind that last for an extended period of time, rather than short, sporadic gusts. Wind gusts are defined as brief increases in wind speed, often caused by turbulence, changes in atmospheric pressure, or other meteorological conditions. When gusts are described as "continuous," it implies that the wind is consistently gusty rather than being characterized by intermittent bursts that occur sporadically.

In meteorology, a "ridge" refers to an elongated area of high atmospheric pressure. It is often associated with a region where the air is more stable, leading to generally clearer skies and warmer temperatures. Ridges can influence weather patterns by blocking the movement of low-pressure systems, which can result in prolonged periods of fair weather in the affected area. Ridges are typically depicted in weather maps as elongated lines of higher pressure, and they can extend for considerable distances horizontally in the atmosphere.

The Dryden Wind Turbulence Model is a mathematical model used to simulate wind turbulence for the analysis and design of aircraft, particularly in the context of flight dynamics and control. Developed by the aerodynamicist Edward H. Dryden in the 1950s, this model provides a way to represent the stochastic nature of wind gusts and turbulence in a flight environment.

Geostrophic wind is a concept in meteorology that describes the wind flow that results from a balance between the Coriolis force and the pressure gradient force. This condition typically occurs in the upper levels of the atmosphere, away from the influence of friction, and is commonly associated with large-scale wind patterns and atmospheric circulation. ### Key Features of Geostrophic Wind: 1. **Coriolis Force**: This force arises from the rotation of the Earth and affects the direction of the wind.

The polar front is a meteorological term that refers to the boundary between polar air masses and warmer, mid-latitude air masses. This boundary is characterized by a notable temperature gradient and plays a significant role in weather patterns, particularly in the formation of mid-latitude cyclones and storms. Typically situated around 50 to 60 degrees latitude in both hemispheres, the polar front is where cold, dense air from the poles meets the warmer, less dense air from the tropics.

The Quasi-Biennial Oscillation (QBO) is a recurring pattern of variation in the winds of the stratosphere, particularly in the tropical region, that occurs approximately every 28 to 29 months. It is characterized by alternating easterly and westerly wind patterns in the equatorial stratosphere. The QBO originates from interactions between the stratospheric winds and various atmospheric processes, including the influence of tropical convection, waves, and the Earth's rotation.

The Somali Jet, also known as the Somali Jet Stream, refers to a low-level jet stream that occurs over the Horn of Africa, particularly affecting Somalia and surrounding regions. This phenomenon typically arises during the southwest monsoon season, which generally occurs from June to September. The Somali Jet is characterized by strong winds that transport moisture and can influence weather patterns across the region.

Cabbeling is a process in oceanography that refers to the mixing of two bodies of water with different temperatures and salinities, resulting in a decrease in density. When these waters mix, the combined water mass can become denser than either of the original water masses, even if they have lower temperature or salinity. This phenomenon is especially significant in the study of thermohaline circulation and other ocean dynamics.

The International Cloud Atlas is a comprehensive reference work that provides standardized classifications, descriptions, and illustrations of cloud types and phenomena. It serves as an important resource for meteorologists, climatologists, and anyone interested in atmospheric science. Originally introduced by the World Meteorological Organization (WMO), the atlas includes detailed images and explanations of different cloud forms, their formation processes, and the atmospheric conditions in which they occur.

Forensic meteorology is the application of meteorological knowledge and techniques to legal issues and investigations. This field involves analyzing weather conditions and atmospheric phenomena to provide insights in various contexts, such as: 1. **Accident Investigations**: Meteorologists may analyze weather conditions related to traffic accidents, aviation incidents, or other types of accidents to determine if weather played a role.

Meteorology and climate education refer to the study and teaching of atmospheric sciences, focusing on the phenomena of weather and climate. This field encompasses a range of topics, including the science behind weather patterns, climate change, atmospheric processes, and the tools and technologies used for forecasting and studying the atmosphere. ### Meteorology 1. **Definition**: Meteorology is the scientific study of the atmosphere, weather processes, and their effects on the Earth's surface. It involves observing, modeling, and predicting weather events.

In the context of Wikipedia, "stubs" refer to short articles or entries that provide minimal information about a subject. They serve as a starting point for expansion and improvement by users who have more knowledge about the topic. Meteorology stubs specifically refer to underdeveloped articles related to meteorology, which is the scientific study of the atmosphere and its phenomena, including weather and climate.

Marine ecoregions are distinct geographic areas of the ocean that exhibit similar ecological characteristics, including types of marine habitats, species composition, and environmental conditions. These regions are defined based on biological, physical, and chemical factors, and they help in understanding marine biodiversity, ecosystem functions, and conservation needs. Marine ecoregions can encompass a wide range of environments, including coastal areas, continental shelves, deep-sea regions, and oceanic waters.

Bacterioplankton counting methods refer to various techniques used to estimate the abundance and biomass of bacterioplankton—microscopic bacteria that drift in aquatic environments, both freshwater and marine. Bacterioplankton play critical roles in nutrient cycling, organic matter decomposition, and as a food source for higher trophic levels in aquatic ecosystems. Accurate counting and characterization of these microorganisms are crucial for understanding their ecological roles.

Fish reproduction refers to the biological processes through which fish produce offspring. There are various methods by which fish reproduce, and these methods can vary significantly among different species. The main modes of fish reproduction include: 1. **Oviparous Reproduction**: Most fish are oviparous, meaning they lay eggs. The eggs are usually fertilized outside the female's body. Fish may spawn in various environments, such as freshwater, saltwater, or on specific substrates like rocks or plants.

Eukaryotic picoplankton consists of small, often single-celled eukaryotic organisms that are typically less than 2 micrometers in size. These organisms play a crucial role in aquatic ecosystems, contributing to primary production and serving as a food source for larger planktonic organisms.

The concept of marine ecoregions refers to distinct areas of the ocean that are characterized by unique ecological features, such as specific species, habitats, and environmental conditions. These ecoregions are essential for conservation and management efforts, as they help in understanding the biodiversity and ecological processes occurring in marine environments.