@incollection{fdi:010072195, title = {{A}ltimetry backscattering signatures at {K}u and {S} bands over land and ice sheets}, author = {{B}larel, {F}. and {F}rappart, {F}. and {L}egresy, {B}. and {B}lumstein, {D}. and {R}emy, {F}. and {F}atras, {C}. and {M}ougin, {E}. and {P}apa, {F}abrice and {P}rigent, {C}. and {N}ino, {F}ernando and {B}orderies, {P}. and {B}iancamaria, {S}. and {C}almant, {S}t{\'e}phane}, editor = {}, language = {{ENG}}, abstract = {{S}atellite radar altimetry, initially designed for studying ocean surface topography, demonstrated a strong potential for the continuous monitoring of ice sheets and land surfaces over the last 25 years. {I}f radar altimetry is mostly used for its capacity to determine surface height, the backscattering coefficients provide information on the surface properties. {S}patio-temporal variations of radar altimetry backscattering over land and ice sheets were related to the nature of the surface and its changes against time. {T}his study presents the results of an along-track analysis of radar altimetry echoes over land, {A}ntarctica and {G}reenland at {K}u and {S} bands from {J}une 2002 to {J}uly 2003 using the {ERS}-2 and {ENVISAT} datasets on their nominal orbit during the tandem phase of the two missions. {T}emporal average and deviations are presented at global scale for ascending and descending tracks for the two missions.}, keywords = {{ANTARCTIQUE} ; {GROENLAND}}, booktitle = {{R}emote sensing for agriculture, ecosystems, and hydrology {XVII}}, numero = {9637}, pages = {art. no 963727 [10 en ligne]}, address = {{B}ellingham}, publisher = {{SPIE}}, series = {{P}roceedings of {SPIE} : the {I}nternational {S}ociety for {O}ptical {E}ngineering}, year = {2015}, DOI = {10.1117/12.2194498}, ISBN = {978-1-62841-847-7}, URL = {https://www.documentation.ird.fr/hor/fdi:010072195}, }