A.41, Science of Terra and Aqua, has been clarified (in Section 4) to confirm that the analysis of archival data from all Terra and Aqua sensors, even those that are no longer functioning, are solicited in this call. In addition, the link (in Section 2.4) to Appendix A.24 Remote Sensing Theory has been corrected and the text regarding the involvement of foreign institutions (in Section 2) has been clarified.

Further information about this program element is available from Dr. Paula Bontempi at paula.s.bontempi@nasa.gov; 202.358.1508