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Biological Sciences x Meteorology and Climatology x clear all

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ageostrophic wind

Overview page. Subjects: Meteorology and Climatology — Ecology and Conservation.

A wind above the boundary layer that blows at a different speed from that of the geostrophic wind predicted by the pressure-gradient force.

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Antarctic front

Overview page. Subjects: Ecology and Conservation — Meteorology and Climatology.

The frontal boundary between the cold, dry, continental arctic air that covers the Antarctic continent throughout the year and the milder, moister, polar air covering the Antarctic...

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anticyclogenesis

Overview page. Subjects: Meteorology and Climatology — Ecology and Conservation.

The process whereby an anticyclone or a ridge of high pressure is formed and developed.

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boundary current

Overview page. Subjects: Meteorology and Climatology — Ecology and Conservation.

The northward- or southward-directed ocean-water current which flows parallel and close to a continental margin. Such currents are caused by the deflection of eastward- and westward-flowing...

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cirrus

Overview page. Subjects: Biological Sciences — Meteorology and Climatology.

1 (pl. cirri) In certain ciliate Protozoa, an organelle, formed by the fusion of a group of cilia, which usually functions in locomotion.

2 In many...

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Dobson unit

Overview page. Subjects: Ecology and Conservation — Meteorology and Climatology.

(DU)

The unit of measurement used to report the concentration of a gas that is present in the atmosphere or in some part of the atmosphere. It is most often used to measure ozone...

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fibratus

Overview page. Subjects: Ecology and Conservation — Meteorology and Climatology.

The Latin fibratus, meaning ‘fibrous’, used to describe a species of separate cloud or cloud veil which has rather curved elements, but without hooks. See also cloud classification.

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iridescence

Overview page. Subjects: Ecology and Conservation — Meteorology and Climatology.

A physical phenomenon in which fine colours are produced on a surface by the interference of light that is reflected from both the front and back of a thin film.

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isohel

Overview page. Subjects: Ecology and Conservation — Meteorology and Climatology.

A line on a climate map connecting points of equal average sunshine duration.

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minimum thermometer

Overview page. Subjects: Biological Sciences — Meteorology and Climatology.

A thermometer that records the lowest temperature to which it has been exposed (e.g. by allowing a fall of mercury past a restriction in the tube, but preventing the mercury's return on...

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