Peter Aartsma
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View article: From Field to Model: Determining EROSION 3D Model Parameters for the Emerging Biomass Plant Silphium perfoliatum L. to Predict Effects on Water Erosion Processes
From Field to Model: Determining EROSION 3D Model Parameters for the Emerging Biomass Plant Silphium perfoliatum L. to Predict Effects on Water Erosion Processes Open
The agricultural production of maize (Zea mays L.) increases the risk of water erosion. Perennial crops like cup plant (Silphium perfoliatum L.) offer a sustainable alternative to produce biomass for biogas plants. The assessment of soil c…
View article: Drivers of soil temperature variation in alpine lichen heaths and shrub vegetation during the summer
Drivers of soil temperature variation in alpine lichen heaths and shrub vegetation during the summer Open
Lichen heaths are decreasing in abundance in alpine and Arctic areas because of an increased competition with shrubs. This shift in vegetation might have important consequences for the soil temperature. The aim of this study is to find the…
View article: Shrub encroachment interacts with environmental variation to reduce the albedo of alpine lichen heaths: an experimental study
Shrub encroachment interacts with environmental variation to reduce the albedo of alpine lichen heaths: an experimental study Open
Global warming causes the replacement of lichens by shrubs in alpine and Arctic ecosystems. Since shrubs have lower albedo than lichens, this shrub encroachment can lead to a positive climatic feedback, resulting in higher temperatures in …
View article: Global maps of soil temperature
Global maps of soil temperature Open
Research in global change ecology relies heavily on global climatic grids derived from estimates of air temperature in open areas at around 2 m above the ground. These climatic grids do not reflect conditions below vegetation canopies and …
View article: Microclimatic comparison of lichen heaths and shrubs: shrubification generates atmospheric heating but subsurface cooling during the growing season
Microclimatic comparison of lichen heaths and shrubs: shrubification generates atmospheric heating but subsurface cooling during the growing season Open
Lichen heaths are declining in abundance in alpine and Arctic areas partly due to an increasing competition with shrubs. This shift in vegetation types might have important consequences for the microclimate and climate on a larger scale. T…
View article: Comparison of modelled radiation budgets with observations over lichens and shrubs at Mount Imingfjell, Norway
Comparison of modelled radiation budgets with observations over lichens and shrubs at Mount Imingfjell, Norway Open
<p>Mountains are some of the most inaccessible regions, where not many weather stations located due to the high altitudes. Thus, the amount of available mountain meteorological data is limited. One of the modern solutions to data ins…
View article: Response to Referee 2
Response to Referee 2 Open
This paper investigates the differences between lichen and shrub cover for alpine tundra microclimates.The authors measured vegetation and microclimate data at a site in Norway in two consecutive years.The research gap that they are aiming…
View article: Response to Referee 3
Response to Referee 3 Open
This study examines differences in surface energy partitioning and soil microclimate between lichen-and shrub-dominated vegetation in southern Norway using paired measurements made with a set of mobile instrument platforms.The authors find…
View article: Response to Referee 1
Response to Referee 1 Open
This paper investigates the effect of lichen cover on alpine tundra microclimates, relative to increased shrub cover growth.The authors use two years worth of vegetation and microclimate data collected in Alpine Norway and find that a decl…
View article: The decline of alpine lichen heaths generates atmospheric heating butsubsurface cooling during the growing season
The decline of alpine lichen heaths generates atmospheric heating butsubsurface cooling during the growing season Open
Lichen heaths are declining in abundance in alpine and arctic areas partly due to an increasing competition with shrubs. This shift in vegetation types might have important consequences for the microclimate and climate on a larger scale. T…
View article: Surface albedo of alpine lichen heaths and shrub vegetation
Surface albedo of alpine lichen heaths and shrub vegetation Open
Lichen heaths are declining in abundance while shrubs are increasing their range in alpine and arctic areas due to climate change. This can have a large impact on the surface albedo of these areas. The aim of this article is to quantify th…
View article: Microclimatological conditions at the Imingfjell mountain, Norway: comparison of model results with observed data
Microclimatological conditions at the Imingfjell mountain, Norway: comparison of model results with observed data Open
Models are often used when data is insufficient. However, it is difficult to assess how well they perform, especially for mountainous areas. The Community Land Model 4.5 was selected for testing with the Imingfjell mountain in Norway as a …