Create some plots related to the Carbon cycle and do some simple analysis using Sage.

Details

Mauna loa

Diagrams

The classic Keeling curve, plotted upto jan 2011:

Here is a plot of the whole series but showing season corrected values :

Draft Code

# based on http://wiki.sagemath.org/interact/web made by Marshall Hampton CC 3.0
import urllib2 as U
import time
current_year = time.localtime().tm_year
co2data = U.urlopen('ftp://ftp.cmdl.noaa.gov/ccg/co2/trends/co2_mm_mlo.txt').readlines()
datalines = []
for a_line in co2data:
if a_line.find('Creation:') != -1:
cdate = a_line
if a_line[0] != '#':
temp = a_line.replace('\n','').split(' ')
temp = [float(q) for q in temp if q != '']
datalines.append(temp)
@interact
def azimviewer(month = [1,2,6,12,24],trend= True):
if trend:
sel_data = [[q[2],q[5]] for q in datalines]
else:
sel_data = [[q[2],q[4]] for q in datalines]
lp = list_plot(sel_data, plotjoined=True, rgbcolor=(1,0,0))
lp.show(axes = True, figsize = [7,5]) #, aspect_ratio=1)