Posts Tagged ‘ Climatology ’

Visualizing Arctic Sea Ice Extent Trends

April 6, 2010
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Visualizing Arctic Sea Ice Extent Trends

Reader GH sent me an e-mail asking about a previous Arctic sea ice extent trend post (click). GH asked …. “Why is there such a difference between this type of representation and the chart at link ? What you’ve written … Continue reading →

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RCimate Script: RSS Global Temperature Anomaly Trends

February 5, 2010
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RCimate Script: RSS Global Temperature Anomaly Trends

This RClimate Script lets users retrieve and plot the latest data file on monthly global RSS temperature anomaly data based for the lower troposphere.   The trend chart shows monthly and annual anomalies since 1979. RSS Temperature Anomalies – Lower troposphere I’ve discussed RSS temperature anomalies in this earlier post. Here’s Remote Sensing Systems (RSS)  global

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RClimate Script: Sea Surface Temperature (SST) Anomaly Trends

February 1, 2010
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RClimate Script: Sea Surface Temperature (SST) Anomaly Trends

This RClimate Script lets users retrieve and plot the National Climatic Data Center’s monthly Sea Surface Temperature (SST) Anomaly dat series .  Links to the NCDC data file and my RClimate script are included. Users can run my script with a simple R source() statement. NCDC  SST Anomaly I’ve discussed the Hadley SST anomaly trends

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RClimate Script: NINO 3.4 SST Anomaly Trends

January 28, 2010
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RClimate Script: NINO 3.4 SST Anomaly Trends

This RClimate Script lets users retrieve and plot the weekly NOAA NINO 3.4 SST  anomaly data for 1990 to the most recent value.  Links to the NOAA data file and my RClimate script are included. Users can run my script with a simple R source() statement. NINO 3.4 SST Anomaly I’ve discussed ENSO and NINO

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RCimate Script: Recent Total Solar Irradiance (TSI) Trends

January 21, 2010
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RCimate Script: Recent Total Solar Irradiance (TSI) Trends

This RClimate Script lets users retrieve and plot the latest data file on daily total solar irradiance (TSI) data from NASA’s  Solar Radiation and Climate Experiment (SORCE) Mission. The trend trend chart shows daily values from 2/25/03 to about one week before when the R script is run. Recent TSI Trends Here’s the 1/21/10 plot of

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RClimate Script: CO2 Trends

January 20, 2010
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RClimate Script: CO2 Trends

This RClimate Script lets users retrieve the latest data file on monthly Mauna Loa  CO2 levels and generate a trend chart with the latest reading highlighted. CO2 Trends – Keeling CurveHere’s the Mauna Loa Observatory CO2 trend from 1958 to Dec., 2009.Here are the data and RClimate Script links:Data Link RClimate Script linkPosted in

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