20251115 07503700 1.0 TRUE Classification en 6 niveaux des déperditions thermiques des toitures mesurées à l'aide d'une caméra embarquée sur hélicoptère. <br /><br />Les données sont acquises à 500 mètres d'altitude à une vitesse de 70 à 120 km/h à l'aide d'une caméra infrarouge thermique centrée sur 9,75 microns.<br /><br />L'information thermique acquise est retraitée après la reclassification afin de tenir compte de l'environnement proche des bâtiments (présence d'arbres, relief, etc.)<br /><br />L'attribut NIVEAU_DEPERDITION renseigne le niveau de déperdition thermique. Objectif Vol hélicoptère effectué les 16 et 17 mars 2009, entre 7h00 et 8h30, hygrométrie 65%, temp. ext. au sol 0 à -1°C, vitesse du vent 2km/h NNE. <br />Aucune précipitation depuis 120 heures Constructions et ouvrages Environnement Rayonnement thermique des toitures © 2025 SITG Accès libre <br /><br /> None Rayonnement thermique des toitures iVBORw0KGgoAAAANSUhEUgAAASwAAADICAYAAABS39xVAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAB 2AAAAdgB+lymcgAACzlJREFUeJzt3ety4sYWBlBxsT1nKnn/58yvZGxAp1qioSWEwEiAt71WyjU2 F6FknK92t7a613Vd1xVAAOtnnwDAtQQWEIbAAsIQWEAYAgsIQ2ABYQgsIAyBBYQhsIAwBBYQhsAC whBYQBgCCwhDYAFhCCwgDIEFhCGwgDAEFhCGwALCEFhAGAILCENgAWEILCAMgQWEIbCAMAQWEIbA AsIQWEAYAgsIQ2ABYQgsIAyBBYQhsIAwBBYQhsACwhBYQBgCCwhDYAFhCCwgDIEFhCGwgDAEFhCG wALCEFhAGAILCENgAWEILCAMgQWEIbCAMAQWEIbAAsIQWEAYAgsIQ2ABYQgsIAyBBYQhsIAwBBYQ hsACwhBYQBgCCwhDYAFhCCwgDIEFhCGwgDAEFhCGwALCEFhAGAILCENgAWEILCAMgQWEIbCAMAQW EIbAAsIQWEAYAgsIQ2ABYQgsIAyBBYQhsIAwBBYQhsACwhBYQBgCCwhDYAFhCCwgDIHFw9R13fy5 WCz8V+cmAgsIQ2ABYQgsIAyBBYQhsIAwBBYQhsACwhBYPIz+K6YSWEAYAgsIQ2ABYQgsIAyBBYQh sIAwBBYQhsDipnWt8tpWy+XyS/8XrOvt6POLxeph58J0AotRKZj6DZ/pZ02gPIPAYtRutzuEk6Di 2QQWo8qwOldxwaMILEblOao8Z5Wrrv7z8AgCi6ukqipPtufwSn8KLB5JYDGqDKhzw0R4FIHFqO12 ezLhbvKdZxFYX9xms2kCIg29+hVNv/IZck0VlOak8mR6f4i3WpXvz5+Xqq72u4+Pj2q1WjVfQ+dV 9jnlau2RFZo+q+9FYAV1TVhdK1dMZYCkEEvV1Xo9Pqk+Vm2NBZLhJLcQWF/cI4ZfQ5VbquzS13r9 NvreVFmVLQ+XOuAFFVMIrECBNWdVVeoO4RZnh4eX2h7SV9lo2iesmEpgfXEpEO4VVFkOmtymkIJl vV7v56XqSVcUNZoyJ4EVrAeqfGxOuRk0fUaeQG8/d/zm4fJ8+tVgPu97nC8/k8AK5l4VSx7alVf7 PisHVnk1UGAxJ4EV1JzBleer5upav/ecGz+XwPriPt7/a6qeZboaV9XVdrdteqBW6/RXV5/MQ+V2 hFzl/P7916cqo/zz0H2D5WsPrymHqalC64Ve+rF9aTtHlo937CtzLyLXE1hf3MvLy/GHxWIfVK06 XZErAqLfYDpHhdO/CljeR9gE1+RPgOsJrK8uhU8KifRVVj7bbfX+/l69/fp1136toR6tMrT6FRXc k8D66gb6m9LP6ZaYfJ/fI7naxzMJrC+ubOLM3ee5XyoNF4cCpNv+MP3zyz9PKjkT6zyQwLqzS/NI lyqWPEdVzk+lrxRW5XxW/qx+wExpU7jm/OGRBFYgKbDe3tp7+8rJ9nsO2YZWHIVnEVgBpKuBaQ6r qZZ6w7EcI/2h2tzBNXSDc/P4rJ8C4wTWnU0PjmVTTa2GCqp06P2tM+cqoMsff+yPKuephtbfys/d OuQdaouAzxBYP9xQs+i9dsjpN6jCZwksDh5V8aisuJXAonH2RuWJ1VAaauaJ+7LCElrcQmBx1yuC z1jHne9LYDE4h9Xv5zrrQgD1AytaHxxfi8Dirs7taQi3EFg/3Fj10zw302fAHARWcFP33Vsui+Vq OvcLXncf4ubj38Pif+n9eS2u9HNqdF2v003bebWJNEe2rBbV/pzrNCn/cfLZzVzawMT/yUWBK9bT Wiw2bcNa8979cWsrTEQlsJjk0GG/XxvrZHK9Xh0uNLav2IfXwHE675tJWobn+HH7wKtWnfMmDoHF JP1bgnKldQiDXbHzc5U3ung/PlYfVzDtVk5zXvnMFxFy9/60qpTnEVhM0l8H/uSexvx8yotFumKY biVKw8P90st1+yt4Uu3kq4tTFwhsjpnPqTgXQhJYzLci6uhj7ePNP4tldbht+85DszQk7FdY+ZMM CeMRWExW9lr1N7A4KZCaiwS7arGvdhbL80E1x3zWYqDCaiLL3FVIAotZl3DOCwYeV2ZorwK2Dy5P f+3y0HB/rOPjM21htp/DauUhoYn2qAQWk50sG1M8tt29t9VNnYZj+2FZfmMvN+6x6WpaS+z0KqHh YFQC66eri0UC67xe/H4yvcmN4zZjQ7frLBcv1WqVvrqHbY6RcqraHNbaSjnUFjxtr9Zuu2v2WzzI y9q0H3J6ruXz+9dcyrZ2H8TcMtH992jeP7jQGF+VwKLRTkbn9oLrL6OloMvvH2r2TEOyZS/kyk1f O4F1B7mtobtpq7aGqAQWrdRh3nSip0BpK6CmAlkO7cRTLMK32AxfbVt0V0ytihVN+5uy3ltniNkM Tx/ysdyBwPrpDsFzDJ1UaR0C5ezSy+1rN5s/h6uDw8sqvx4m5sv39vu37qX99zhO7Lfzaf3be4hC YP1w525+PrQqXHj/+/t/J1uQlcdbr9anbQ/7XqimK756jNzecPyeiAQWo85ducs/v7y8dYJqbGv7 /Ru73995WNjOkWlr+C4E1g93drK8qEjah4dXDX19/d/o8evdyNZjlp3hkwTWT3dhGZdL9U+9O63A yqpquXqpFkMT7LnZ9M5zWe1VzP4KEs0k1l0/l/sQWD9d0Wl+aE8q1pjq5kkOtKI7vWpXZ0jvzetY NVmw21WbzaZz/M4GFGneqxmujQfW1CuJi+XbwIOTDskTCSwmyS0LKZxSxbRer1Uv3I3A4lOGKp6m OTSXYnmea7lswiu/uj9kdKWOWwgsLhoblnU63ffLuTRXC1ObQwqxM+89zpP5C+B6AotReRWGc/75 55/q7e2t+UrKoeH65XgfIsxBYHFRv0u9lDebyPcEpl+ow1xW8fp+labC4hYCi1FD9xCWofX33393 WhNScA3d0PypzVnhDIHFJHme6uOjXajvUG3tt/xa7SstmIPfpuB2u7Tv3nX7Dp55xeG74fuB20n1 vKbV8bjLYr2pqhNM+bEUZvn79rjtgR914zPfj8AK7pHtAVoReDaBxUV53qpzy45eKp5AYAU3tepp 9wm87bOuCS0T7MxJYAFhCKzgLlUwlwqwurpQYTW73XRXOyjbEy5NoKuwmJPA4qJ+MKXgKq/+waMI rB9eYV3akWFsnkr1xKMJrOCaddH3TZrp+7ISOn87TLEKaPV6sr18d/31fIWwOyRcNFvOp00q8ioN hyM0x9juPqrdblu9vf41ev6Hnq0zyytrpaAksILLIZQ6zPtLuKQwyFvHl+0IZRPo1CbO08U7U2im D1tddewysMpdd/I5lucPAiu4cxVIDoC82kI5cf6Ze/qG1nHv9GGlImtgEc/lIi3kd908V3l+Yzda g8D6BtKSLukr/Q/+8vLSuW3m46MdKqZKJVcr+fk55qDyRqtd11dt/crwcFxhxQCB9Q38+fOn+vff f5sg+v37d/Xr16/DvNYczgVKG3i7kYD6/HAzb2DhfkOGCKxvIFVVabWEFCK5isrVVl2f7heY54eu mSMaq3Ta58pQLCf82zn54Qqs6pxLnrtK55MqxXxe5q/oE1jfwOvr6+F/7v4k+6KXGHPPEW13aUnk XTtnVUhHvmbA2Q/Tk41XoSCwgmvWnCqqkbxEca62htocxlofPmuz+aiWy1WzH1h72NPlasb0G1Jz m4YhIUMEVnCrVXfd9PX69exrr5ncHguK8upi/v5sn9WNxVteWhmG+O0AwhBY3PnWIL1UzEdgcRNB xDMILG7ePSd/D48isLhpyCeoeAaBBYQhsJjEpDuPJLAYZejHVyKwgDAEFhCGwALCEFhAGAILCENg AWEILCAMgQWEIbCAMAQWEIbAAsIQWEAYAgsIQ2ABYQgsoIri/6DIevC8/PoVAAAAAElFTkSuQmCC