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  2. Damp (structural) - Wikipedia

    en.wikipedia.org/wiki/Damp_(structural)

    Condensation comes from water vapour within the building. Common sources may include cooking, bathing, dishwashers, etc. The moisture in the air condenses on cold surfaces, sometimes inside the walls called interstitial condensation. Buildings with poorly insulated walls are very prone to this problem.

  3. Sentinel-3 - Wikipedia

    en.wikipedia.org/wiki/Sentinel-3

    The Sentinel-3 mission's main objectives are to measure sea-surface topography, land- and sea-surface temperature, land- and ocean-surface colour with accuracy in support of ocean forecasting systems, and for environmental and climate monitoring. [4] [6] [5] Sentinel-3 builds directly on the heritage pioneered by ERS-2 and Envisat satellites.

  4. Interstitial condensation - Wikipedia

    en.wikipedia.org/wiki/Interstitial_condensation

    Interstitial condensation is a type of condensation that may occur within an enclosed wall, roof or floor cavity structure, which can create dampening.. When moisture-laden air at dew point temperature penetrates inside a cavity of the structure, it condenses into liquid water on that surface.

  5. Condensing boiler - Wikipedia

    en.wikipedia.org/wiki/Condensing_boiler

    Condensing boilers are water heaters typically used for heating systems that are fueled by gas or oil. When operated in the correct circumstances, a heating system can achieve high efficiency (greater than 90% on the higher heating value) by condensing water vapour found in the exhaust gases in a heat exchanger to preheat the circulating water.

  6. Condensation - Wikipedia

    en.wikipedia.org/wiki/Condensation

    Condensation on a window during a rain shower. Condensation in building construction is an unwanted phenomenon as it may cause dampness, mold health issues, wood rot, corrosion, weakening of mortar and masonry walls, and energy penalties due to increased heat transfer. To alleviate these issues, the indoor air humidity needs to be lowered, or ...

  7. Normalized difference water index - Wikipedia

    en.wikipedia.org/wiki/Normalized_Difference...

    Sentinel-2 NDWI for waterbody detection can be constructed by using: "Green" Band 3 (559 nm) and "NIR" Band 8A (864 nm) McFeeters index: If looking for water bodies or change in water level (e.g. flooding), then it is advisable to use the green and NIR spectral bands [18] or green and SWIR spectral bands. Modification of normalised difference ...

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