Essays about: "Historical Maps"

Showing result 1 - 5 of 73 essays containing the words Historical Maps.

  1. 1. The effects of historical land use on plant diversity in semi-natural grasslands

    University essay from SLU/Dept. of Ecology

    Author : Elisabeth Kumlander; [2022]
    Keywords : semi-natural grasslands; biodiversity; plant species; land-use sequences;

    Abstract : During the last two centuries, large-scale administrational and technological reforms have drastically changed the agricultural landscape in Sweden. The meadows and semi-natural grasslands that once played a central role in the agricultural landscape have been reduced with up to 95%. READ MORE

  2. 2. Våtmarker i Helsingborg : en analys av nio våtmarker anlagda längs Råån

    University essay from SLU/Department of People and Society

    Author : Alexander Andersson; [2022]
    Keywords : våtmarker; Råån; kväverening; sedimentering; vattenrening; våtmark; Ormastorp; Norra Vallåkra; Bälteberga; Wetlands; nitrogenretention; sedimentation; water purification; ekosystemtjänster;

    Abstract : Den här uppsatsen belyser våtmarkers positiva miljöpåverkan. Med hjälp av historiskt kartmaterial av Skånes historiska landskap visas landskapet och framför allt Råån förändring kopplat till utdikningsprojekten som påbörjades på 1800-talet. READ MORE

  3. 3. Thematic landscape master plan : climate-resilient, permeable, and culturally informed landscape master plan for Hostivice municipality, Czechia

    University essay from SLU/Dept. of Urban and Rural Development

    Author : Vojtech Kettner; [2021]
    Keywords : landscape; thematic plan; master plan; municipality; comprehensive planning; urban ecology; landscape architecture; connectivity; Hostivice; Czechia;

    Abstract : The Master thesis investigates urban as well as open landscape in the Hostivice Municipality, Prague-West District, Czechia. The introduction presents the current state of landscape planning in the Hostivice Municipality, and unveils the concept of landscape within geography and its position in Czech Republic. READ MORE

  4. 4. An evaluation of using a U-Net CNN with a random forest pre-screener : On a dataset of hand-drawn maps provided by länsstyrelsen i Jönköping

    University essay from Högskolan i Skövde/Institutionen för informationsteknologi

    Author : Robin Hellgren; Martin Axelsson; [2021]
    Keywords : Machine learning; CNN; pre-screener; image segmentation; U-Net; random forest;

    Abstract : Much research has been done on the use of machine learning to extract features such as buildings, lakes et cetera from satellite imagery, and while this dataset is valuable for many use cases, it is limited to time periods in which satellites were used. Historical maps have a much greater range of available time periods but the viability of using machine learning to extract data from these has not been investigated to any great extent. READ MORE

  5. 5. Diagnosis of Synoptic Weather Patterns Causing Heavy Rainfall Occurrence Using Self-Organizing Maps

    University essay from Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Author : Aoi Kasai; [2021]
    Keywords : Self-Organizing Map; heavy rainfall frequency; classification; meteorological fields; prediction; heavy rainfall risk; Technology and Engineering;

    Abstract : The annual number of events with precipitation over 50 mm/h have increased from 1970s and this trend is likely to be continued due to climate change in Kyushu, Japan. Therefore, it is important to recognize what kind of meteorological fields have contributed to the occurrence of heavy rainfall events and to reveal whether it is possible to diagnose heavy rainfall risk. READ MORE