Posts Tagged ‘ Climatology ’

Plotting large amounts of atmospheric data

November 4, 2012
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Plotting large amounts of hourly atmospheric data body, td { font-family: sans-serif; background-color: white; font-size: 12px; margin: 8px; } tt, code, pre { font-family: 'DejaVu Sans Mono', 'Droid Sans Mono', 'Lucida Console',...

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Climate Charts, Data and RClimate Scripts

January 16, 2011
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Climate Charts, Data and RClimate Scripts

While there are many online climate data resources, the source data files are in numerous data formats, presenting a challenge to climate citizen scientists who want to retrieve and analyze several climate indicators at the same time. I have been &#823...

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Arctic Oscillation: 1 – Trends

September 24, 2010
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Arctic Oscillation: 1 – Trends

arctic oscillation (AO): 1 -  trends Since 1950 In this post, I begin a series on the Arctic Oscillation (AO) .  This post  presents a chart of monthly AO Index from 1950 to the present and introductory information on AO … Continue reading ...

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Mapping Temperature Anomalies with R

September 3, 2010
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Mapping Temperature Anomalies with R

In this post I show how to map NASA GISS’s  2×2 degree temperature anomaly data using R mapping tools. Rather than rely on a single value to reflect monthly global temperature anomaly, this map shows the anomalies  in each of … Conti...

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RClimate Tools for Do It Yourself Climate Trend Analysis

August 31, 2010
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RClimate Tools for Do It Yourself Climate Trend Analysis

In this post I introduce my RClimate functions which allow R users to easily download and plot monthly temperature anomaly data for the 5 major global temperature anomaly data series: GISS, HAD, NOAA, RSS, UAH. Consolidated LOTA Data File In … Co...

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Do It Yourself Climate Trend Analysis

August 19, 2010
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Do It Yourself Climate Trend Analysis

This post describes my consolidated global temperature anomaly CSV file that users can easily download to Excel or R to do their own trend analysis. Do It Yourself Global Temperature Anomaly  Trend Analysis As I wrote in my July 10, … Continue r...

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Comparing 2010 and 2007 Arctic Sea Ice Extent Trends

June 28, 2010
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Comparing 2010 and 2007 Arctic Sea Ice Extent Trends

See my Arctic Update Page for daily updates on Arctic Sea Ice Extent In this post I present a chart that tracks the daily Arctic Sea ice Extent (SIE) for 2007 and 2010. I chose 2007 as the comparison year … Continue reading →

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Arctic Sea Ice Extent Update – June, 17, 2010: Update 2

June 15, 2010
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Arctic Sea Ice Extent Update – June, 17, 2010: Update 2

See my Arctic Update Page for daily updates on Arctic Sea Ice Extent We are at the half way point in June, 2010 and the Arctic Sea Ice Extent is melting at a record-breaking pace. Please note I have adjusted … Continue reading →

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Tracking JAXA Arctic Sea Ice Extent Trends

June 3, 2010
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Tracking JAXA Arctic Sea Ice Extent Trends

See my Arctic Update Page for daily updates on Arctic Sea Ice Extent Arctic Sea Ice Extent (SIE) follows an annual cycle, with maximum levels usually in March and minimum values in September.  Many analysts use day-of-year charts to compare … Co...

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Climate Oscillations and GISS Temperature Anomaly Trends

April 27, 2010
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Climate Oscillations and GISS Temperature Anomaly Trends

In this post, I examine the combined impacts of Pacific Decadal Oscillation (PDO), Atlantic Multidecadal Oscillation (AMO) and El Nino – Southern Oscillation (ENSO)   on the long-term GISS Land and Ocean Temperature Anomaly (LOTA) trend. Introduction Professor Don Easterbrook of … Continue reading →

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