It takes the average reader 1 hour and 20 minutes to read An Irrigated Area Map of the World (1999), Derived from Remote Sensing by Prasad Srinivasa Thenkabail
Assuming a reading speed of 250 words per minute. Learn more
This research report presents the results of a global analysis of multi-temporal time series at nominal 10 kilometer pixel resolution. Statistics of irrigation at country level are derived from these maps for different seasons and for the entire year (annualized) for the nominal year of 1999. Three methods of area abstraction are used and compared, and three methods of accuracy assessment are applied. The annualized irrigated areas of the world at the end of the last millennium were about 480 Mha of which there were 263 Mha for season 1, 176 Mha for season 2, and 41 Mha for continuous cropping. Of this, Asia alone accounts for 78 percent (375 Mha) with 59 percent from China and India. The country statistics are compared with FAO country-level statistics (see Annex I). The IWMI GIAM 10 km V2.0 map were tested based on 3 sources of independent data resulting in accuracies between 84 and 91 percent with errors of omission not exceeding 16 percent and errors of commission less than 21 percent. The total area available for irrigation (TAAI; the nearest equivalent to FAO’s equipped area) was 412 Mha.
An Irrigated Area Map of the World (1999), Derived from Remote Sensing by Prasad Srinivasa Thenkabail is 78 pages long, and a total of 20,124 words.
This makes it 26% the length of the average book. It also has 25% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 1 hour and 49 minutes to read An Irrigated Area Map of the World (1999), Derived from Remote Sensing aloud.
An Irrigated Area Map of the World (1999), Derived from Remote Sensing is suitable for students ages 10 and up.
Note that there may be other factors that effect this rating besides length that are not factored in on this page. This may include things like complex language or sensitive topics not suitable for students of certain ages.
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