Essays about: "frost period"

Showing result 11 - 15 of 21 essays containing the words frost period.

  1. 11. Analysis of NDVI variation and snowmelt around Zackenberg station, Greenland with comparison of ground data and remote sensing

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Georgios Konstantinos Lagkas; [2015]
    Keywords : active layer; snow; growing period; NDVI; Zackenberg; Greenland; geography; physical geography; statistical analysis; regression analysis; geomatics; Earth and Environmental Sciences;

    Abstract : Snow and permafrost are significant climatic factors affecting the climate in high latitudes and especially in arctic regions. Moreover, results of conducted scientific studies have shown that snow is crucial for photosynthetic activity and therefore vegetation vigor and growing season in arctic environments. READ MORE

  3. 12. Utvärdering av markberedning och plantering på SCA:s mark i Norrland 1998-2001 : föryngringsresultat efter 10 år

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Erik Söderbäck; [2012]
    Keywords : högläggning; harvning; planteringspunkt; vitalitet; tillväxt; tall; gran; contorta; mounding; disc trenching; planting spot; vitality; growth; Scots pine; Norway spruce; Lodgepole pine;

    Abstract : Maskinell markberedning följt av manuell plantering är den vanligaste föryngringsrutinen efter en föryngringsavverkning i Sverige. Många av de forskningsrön som dagens markberednings- och planteringsinstruktioner bygger på är baserade på äldre fältexperiment. READ MORE

  4. 13. Time series analysis of ground frost conditions at Abisko, sub-Arctic Sweden, 1985-2010

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Anja Schmidt; [2012]
    Keywords : marktemperatur; subarktiska Sverige; Abisko forskningstation; frost cykler; snötäcke; lufttemperatur; Ground temperatures; subarctic Sweden; Abisko research station; frost cycle; snow cover; air temperature;

    Abstract : Observed climatic change may result in modification of the ground thermal regime.The causes of shallow ground temperature variability, however, are not well documented. READ MORE

  5. 14. Effects of nutrient loading in Lutz spruce seedlings (Picea x lutzii Littl.) during nursery rotation and on subsequent growth in field

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Rakel Jonsdottir; [2011]
    Keywords : Lutz spruce seedlings; nutrient loading; frost hardiness; root growth capacity;

    Abstract : Lutz spruce (Picea x lutzii Littl.) seedlings were nutrient loaded using four fertilization regimes, receiving in total 0, 7.8, 22.2 and 31. READ MORE

  6. 15. Geografisk prioritering av CTI-utrustad virkestransportkapacitet

    University essay from SLU/Dept. of Forest Resource Management

    Author : Magnus Hell; [2011]
    Keywords : tjällossning; rundvirkestransport; vägtillgänglighet;

    Abstract : Previous studies of central tire inflation (CTI) in truck transport of roundwood have shown potential benefits to include more even wood flow and reduced road damage. The greatest benefits are found to be during periods of low bearing capacity such as spring thaw. READ MORE