258 search results for "climate"

RClimate Script to Assess Local Hot Day Trends

August 29, 2016
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RClimate Script to Assess Local Hot Day Trends

There is ample evidence of global climate change, these are just a few examples  (here, here, here). While global indicators are important to focus attention on the problem and solutions, local data is important to help us understand the situation … Continue reading →

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RClimate Script to Plot 90+ days in summer

August 17, 2016
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RClimate Script to Plot 90+ days in summer

The weatherData package, link , makes it very easy to retrieve detailed weather data from hundreds of stations across the US. I developed this script to retrieve and plot daily maximum and minimum temperatures and highlight days with 90+ max … Continue reading →

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Access and Analyze 170 Monthly Climate Time Series Using Simple R Scripts

August 2, 2016
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Access  and Analyze 170 Monthly Climate Time Series Using Simple R Scripts

Open Mind, a climate trend data analysis blog, has a great Climate Data Service that provides  updated consolidated csv file with 170 monthly climate time series. This is a great resource for those interested in studying climate change. Quick, reliable … Continue reading →

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RClimate

July 26, 2016
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RClimate

This blog focuses on how to use R to study climate data. I will be using readily available public  climate data and R to understand global warming and climate trends. These charts show the types of that I will be … Continue reading →

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The Power of (purrr,tidy,broom)-Exploring Climate Change Trends

June 27, 2016
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The Power of (purrr,tidy,broom)-Exploring Climate Change Trends

Few days ago, I wanted to explore the Climate Change: Earth Surface Temperature Data dataset published on Kaggle and originally compiled by Berkeley Earth. The dataset is relatively large as it contains entries from 1750-2014!

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Harvesting more Canadian climate data

May 24, 2016
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Harvesting more Canadian climate data

A while back I wrote some code to download climate data from Government of Canada’s historical climate/weather data website for one of our students. In May this year (2016) the Government of Canada changed their website a little and the API code that responded to requests had changed URL and some of the GET parameters had also changed....

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Critique of ‘Debunking the climate hiatus’, by Rajaratnam, Romano, Tsiang, and Diffenbaugh

January 10, 2016
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Critique of ‘Debunking the climate hiatus’,  by Rajaratnam, Romano, Tsiang, and Diffenbaugh

Records of global temperatures over the last few decades figure prominently in the debate over the climate effects of CO2 emitted by burning fossil fuels, as I discussed in my first post in this series, on What can global temperature data tell us? One recent controversy has been whether or not there has been a `pause’

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Climate change and spline interactions

November 21, 2015
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Climate change and spline interactions

In a series of irregular posts1 I’ve looked at how additive models can be used to fit non-linear models to time series. Up to now I’ve looked at models that included a single non-linear trend, as well as a model that included a within-year (or seasonal) part and a trend part. In this trend plus season model it...

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On NCDF Climate Datasets

September 3, 2015
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On NCDF Climate Datasets

Mid november, a nice workshop on big data and environment will be organized, in Argentina, We will talk a lot about climate models, and I wanted to play a little bit with those data, stored on http://dods.ipsl.jussieu.fr/mc2ipsl/. Since Ewen (aka @3wen) has been working on those datasets recently, he kindly told me how to read those datasets (in some ncdf format). He did show me...

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Climate projections by cities: R + Shiny + rCharts + leaflet

May 27, 2015
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Climate projections by cities: R + Shiny + rCharts + leaflet

I have approached a final draft of my Community Charts version 4 Lite, now with leaflet map integration. This R Shiny web application shows projected climate trends for various Alaska and western Canada communities. Note that if no other users are already connected to the app, it will take a moment (maybe ten seconds?) to

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