Glossary G
Grab Samples are discrete subsets of a population thought to be representative of a specific area and a specific time, not necessarily taken at random.
In the environmental context, graffiti refers to writings, drawings, or symbols applied to surfaces in public spaces without permission. This form of expression can have mixed impacts on the environment and communities, ranging from being considered an art form that beautifies urban areas to being viewed as vandalism that contributes to urban Decay.
The term "grain" refers to the texture, composition, or arrangement of particles or fibers in natural materials such as soil, rocks, wood, or sand. Grain plays a crucial role in various environmental processes, including erosion, sedimentation, water movement, and plant growth. Understanding grain characteristics is essential for assessing soil fertility, determining the suitability of construction materials, and managing natural resources effectively.
Gram in the environmental context refers to a unit of mass measurement commonly used to quantify the weight or mass of various substances, such as pollutants, chemicals, or materials, in the field of environmental science and analysis. The gram is a fundamental unit of the metric system and is particularly useful for expressing the concentration, quantity, or amount of substances present in environmental samples. Understanding and utilizing grams are essential in environmental monitoring, pollution control, and research activities related to the environment.
Deutsch: Granulierte Aktivkohle / Español: Carbón activado granular / Português: Carvão ativado granular / Français: Charbon actif granulaire / Italiano: Carbone attivo granulare
Granular Activated Carbon (GAC) is a highly porous form of carbon processed to have a large surface area, making it exceptionally effective for adsorbing contaminants from air, water, and industrial processes. In environmental contexts, GAC is widely used for purification, remediation, and pollution control.