Latest posts

  • Tsunami measurements

    Tsunami measurements

    This blog post analyzes the tsunami measurements following the Great Sendai Earthquake on March 11, 2011. It discusses buoy data from the National Data Buoy Center (NDBC), calculating tsunami wave celerity at around 500 km/hr. The post examines wave amplitudes and the phenomenon of wave shoaling impacting tsunami heights near shorelines.

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  • Earthquakes – Top ten misconceptions

    In this blogpost we examine the top ten misconceptions about earthquakes.

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  • Kelvin-Helmholtz instability

    In this blogpost we try and explore a fundamental phenomena called the Kelvin-Helmholtz instability and exemplify it with a paperweight toy. What is the Kelvin-Helmholtz instability First of all, lets try and understand what is the Kelvin-Helmholtz instability. The Kelvin-Helmholtz instability is not a person with a mental health issue, rather it is the naturally

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  • Tsunamis – top 10 misconceptions

    This blogpost debunks ten misconceptions about tsunamis, emphasizing their complexity and dangers. It clarifies that tsunamis can arise from various triggers, are shallow water waves, and involve multiple flooding instances. Effective prediction and mitigation strategies exist, including seeking high ground quickly during a tsunami warning, despite misconceptions suggesting otherwise.

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  • The Fremantle Doctor – The summer sea-breeze cooling down the area around Perth

    The Fremantle doctor is not what the name suggest, a person with a doctorate in medicine, rather it is a sea-breeze in western Australia, where cold fresh air from the Indian ocean typically flows through the west coast of Australia around 4 pm in the afternoon. Location of Fremantle within Perth The “Fremantle doctor” name

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  • Gas leak at Nord stream 1 and 2

    The gas leak at Nord stream 1 and 2 undersea pipelines have been observed on the 26’th of September 2022. Nord stream gas pipelines The Nord Stream 1 and 2 pipelines are undersea pipelines capable of supplying the European union with gas from Russia. The picture of the emissions can be seen on Figure 1.

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  • Effective investment strategies for climate adaptation

    In this blogpost we consider effective investment strategies for climate adaption considering the case study of earthquakes across Japan. We investigate the historic lessons learned based on investments done in the past to prevent and mitigate future losses. Combating future climate change induced natural disasters require effective investment strategies, thus this post takes Japan as

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  • Tsunamis. The what, when and where.

    Tsunamis the what, when and where. In this blogpost information about tsunamis are given explained through use of a case-study of the 2011 Tsunami

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  • Rossby waves causing atmospheric heat flow

    This blogpost explains rossby waves and their phenomenon, how their undulations are happening across the globe causing atmospheric heatflows. The undulations are well understood by numerical models which details exactly how the individual undulations across large scales are happening.

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  • Cloudburst in Roskilde

    Cloudburst in Roskilde

    In this blogpost we examine a marginal cloudburst event specifically focused on the Roskilde municipality in Denmark. The event occurred on the 26-28’th of August across the entirety of Roskilde city. The cloudburst event in Roskilde Recently, there have been an extreme cloudburst event in the Roskilde Municipality which turned out to correspond to a

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My name is Joachim Skjærup Bach

And welcome to “The Skjærup blueprint”, an engineering blog where I write about natural phenomena, engineering marvels and techniques used in society around us.