Glossary B

The Environmental Glossary. Letter B +++ Popular Articles: 'Biodiversity', 'Battery', 'Body'

A Barrel Sampler is Open-ended steel tube used to collect soil samples.

A Barrier Coating(s) is a layer of a material that obstructs or prevents passage of something through a surface that is to be protected; e.g., grout, caulk, or various sealing compounds; sometimes used with polyurethane membranes to prevent corrosion or oxidation of metal surfaces, chemical impacts on various materials, or, for example, to prevent radon infiltration through walls, cracks, or joints in a house.

Barrow is a neutered male is a barrow and the adult male is a boar.

A Basal Application is In pesticides, the application of a chemical on plant stems or tree trunks just above the soil line.

A Basalt is Consistent year-round Energy use of a facility; also refers to the minimum amount of electricity supplied continually to a facility.

Deutsch: Basis / Español: Base / Português: Base / Français: Base / Italiano: Base /

A Base is a solution that has a pH value greater than 7.

Base cations are positively charged ions such as magnesium, sodium, potassium, and calcium that increase pH of water (make it less acidic) when released to solution through mineral weathering and exchange reactions.

A baseline is the Concentration of a nuclide or radiation level that is considered "normal" under routine conditions. baseline is generally obtained from evaluation (typically

Deutsch: Ausgangszustand / Español: Condición de referencia / Português: Condição de base / Français: Condition de base / Italiano: Condizione di base

Baseline condition in an environmental context refers to the initial set of conditions in a specific area or ecosystem before any significant changes or interventions have been made. This serves as a reference point against which future changes or impacts can be measured.

Description

The baseline condition typically includes data and characteristics related to biodiversity, air and water quality, soil condition, and other ecological attributes of an area at a given time. Establishing an accurate baseline is critical for environmental impact assessments (EIAs), conservation strategies, and resource management. It allows scientists, policymakers, and environmental managers to gauge the effects of human activities, such as construction, logging, or industrial development, on natural environments.

The process of establishing baseline conditions involves detailed measurements and the recording of relevant environmental data. These might include the population sizes of key species, levels of pollutants in water or air, or the composition and distribution of various plant and animal communities. This information must be robust and comprehensive, often requiring extensive fieldwork and monitoring.

Application Areas

Baseline conditions are crucial in numerous environmental application areas:

  • Environmental Impact Assessments (EIAs): Before any major development project, an EIA requires an established baseline to predict potential impacts and propose mitigation strategies.
  • Conservation Biology: Understanding the original conditions of ecosystems to effectively manage and restore them.
  • Climate Change Studies: Establishing historical climate data as baseline conditions to assess the extent and impact of climatic changes over time.

Well-Known Examples

A well-known example of using baseline conditions in environmental science is the assessment of oil spill impacts. Following an incident, scientists measure current conditions against the baseline data to evaluate the extent of damage and guide cleanup and restoration efforts. The Exxon Valdez oil spill in Alaska, for instance, required extensive baseline data to understand the full impact on local ecosystems and marine life.

Treatment and Risks

The main risk associated with baseline conditions is the possibility of insufficient or inaccurate data, which can lead to poor decision-making and ineffective management strategies. Environmental conditions can also be dynamic and influenced by various uncontrollable factors, making it challenging to establish a clear and stable baseline. As such, continuous monitoring and updating of baseline data are essential to ensure they remain relevant and useful for ongoing environmental management and policy-making.

Summary

In summary, the concept of baseline condition plays a foundational role in the field of environmental management and conservation. It serves as a critical reference point that allows for the systematic evaluation of ecological changes and the effectiveness of intervention strategies. Properly established and maintained baseline conditions are vital for effectively assessing environmental impacts and implementing sustainable practices.

--

Baseline Emissions are the emissions that would occur without policy intervention (in a business-as-usual scenario).