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HI guys. I am new to the forum, and also a bit to the world of remote sensing. I am looking at the moment for NDVI data, I need it for a porject about desertification. I found the MODIS NDVI data, but just since the year 2000. There is data available from before (since around 1982) from the NOAA AVHRR, but I cannot find it. Somebody knows about it, where I can get it from? and is this data also already processed (like the MODIS data), so that I just have to download the NDVI values? or can I just obtain the pictures with the different bands? Thanks for an answer! Raphael

This new version will make it even easier to map your Excel data and work with maps in many new ways. For example, you can add multiple maps to your spreadsheet, change the coordinate system for your maps, float the maps outside the Excel window, and much more. We’ve also listened to your feedback from the Tech Preview program. We’ve made the map tools easier to find by adding a ribbon to your maps and fixed many of the bugs and known limitations of the tech preview. Here is a list of new features and enhancements that you get to explore in the Beta version: Add multiple maps and display them side by side to compare data from multiple worksheets. Know how many credits your map will consume. The new ‘add data’ workflow helps you understand what type of map you’re going to create and how many credits it will cost before you create the map. More coordinate systems. Add basemaps and data in any of the coordinate systems supported by the ArcGIS API. Map line features. Custom location types include mapping line features. Minimize or collapse maps. Get maps out of the way when you are focusing on other things in your spreadsheet. Drag maps outside the Excel window and to secondary monitors. Scroll through your Excel data more easily while keeping maps visible. Access tools inside the map window where you need them most. Tools on the map include select features, change basemap, and a new tool for points of interest search. source : http://blogs.esri.com/esri/arcgis/2014/12/18/esri-maps-for-office-v-3-0-beta-released/