[et_pb_section fb_built=”1″ custom_padding_last_edited=”on|phone” _builder_version=”4.26.0″ _module_preset=”default” background_color=”#00284b” background_image=”https:\/\/ecotron.cnrs.dev-djaka.fr\/wp-content\/uploads\/2024\/06\/TRAMES_CNRS_COULEURS_3-gouvernance.webp” background_blend=”multiply” custom_padding=”90px||90px||true|false” custom_padding_tablet=”70px||70px||true|false” custom_padding_phone=”30px||190px||false|false” filter_opacity=”90%” background_last_edited=”on|phone” background_image_phone=”https:\/\/ecotron.cnrs.dev-djaka.fr\/wp-content\/uploads\/2024\/06\/cnrs-ecotron-hero-principe-ecotron-bis-mobile-copie-copie.webp” background_enable_image_phone=”on” locked=”off” global_colors_info=”{}”][et_pb_row _builder_version=”4.25.1″ _module_preset=”default” width_tablet=”85%” width_phone=”85%” width_last_edited=”on|phone” max_width=”1200px” module_alignment=”center” custom_margin=”||||false|false” custom_margin_tablet=”||||false|false” custom_margin_phone=”0vw||||false|false” custom_margin_last_edited=”on|phone” custom_padding=”0px||||false|false” locked=”off” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.25.1″ _module_preset=”default” global_colors_info=”{}”][et_pb_text content_tablet=”<\/p>\n
ICORDA<\/p>\n
” content_phone=”<\/p>\n
ICORDA<\/p>\n
” content_last_edited=”on|phone” _builder_version=”4.27.5″ _module_preset=”default” text_font=”IBM Plex Sans|700|||||||” text_text_color=”#FFFFFF” text_font_size=”48px” text_line_height=”1.2em” header_font_size=”42px” header_line_height=”1em” max_width_tablet=”300px” max_width_phone=”” max_width_last_edited=”on|tablet” module_alignment=”left” custom_margin=”||10px||false|false” custom_margin_tablet=”||10px||false|false” custom_margin_phone=”||10px||false|false” custom_margin_last_edited=”on|tablet” animation_style=”fade” animation_delay=”300ms” text_font_size_tablet=”32px” text_font_size_phone=”32px” text_font_size_last_edited=”on|phone” module_alignment_tablet=”left” module_alignment_phone=”center” module_alignment_last_edited=”on|desktop” global_colors_info=”{}”]<\/p>\n
ICORDA<\/p>\n
[\/et_pb_text][et_pb_text content_tablet=”<\/p>\n
2020-2023<\/p>\n
” content_phone=”<\/p>\n
2020-2023<\/p>\n
” content_last_edited=”on|phone” _builder_version=”4.27.5″ _module_preset=”default” text_font=”satoshi complete||||||||” text_text_color=”#FFEB6E” text_font_size=”28px” custom_margin_tablet=”||20px||false|false” custom_margin_phone=”||||false|false” custom_margin_last_edited=”on|phone” custom_padding=”6px||||false|false” animation_style=”fade” animation_delay=”300ms” text_font_size_tablet=”20px” text_font_size_phone=”18px” text_font_size_last_edited=”on|phone” text_line_height_tablet=”0.2em” text_line_height_phone=”0.2em” text_line_height_last_edited=”on|phone” global_colors_info=”{}”]<\/p>\n
2020-2023<\/p>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.25.1″ _module_preset=”default” custom_padding=”42px||35px|||” locked=”off” global_colors_info=”{}”][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.25.1″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.25.1″ _module_preset=”default” global_colors_info=”{}”][et_pb_text content_tablet=”<\/p>\n
NUMBER OF ROOMS USED<\/p>\n
” content_phone=”<\/p>\n
NUMBER OF ROOMS USED<\/p>\n
” content_last_edited=”on|phone” _builder_version=”4.27.5″ _module_preset=”default” text_font=”IBM Plex sans|600|||||||” text_text_color=”#6941EB” text_font_size=”20px” text_letter_spacing=”3px” custom_margin=”||13px||false|false” text_font_size_tablet=”22px” text_font_size_phone=”20px” text_font_size_last_edited=”on|phone” text_line_height_tablet=”” text_line_height_phone=”1.1em” text_line_height_last_edited=”on|phone” locked=”off” global_colors_info=”{}”]<\/p>\n
NUMBER OF ROOMS USED<\/p>\n
[\/et_pb_text][et_pb_text content_tablet=”<\/p>\n
6<\/p>\n
” content_phone=”<\/p>\n
6<\/p>\n
” content_last_edited=”on|phone” _builder_version=”4.27.5″ _module_preset=”default” text_font=”–et_global_body_font||||||||” text_text_color=”#FFFFFF” text_font_size=”20px” background_color=”#00284B” max_width=”200px” custom_margin_tablet=”||20px||false|false” custom_margin_phone=”||||false|false” custom_margin_last_edited=”on|phone” custom_padding=”10px||10px||false|false” custom_padding_tablet=”20px||20px||false|false” custom_padding_phone=”20px||20px||false|false” custom_padding_last_edited=”on|phone” animation_style=”fade” animation_delay=”300ms” text_font_size_tablet=”20px” text_font_size_phone=”18px” text_font_size_last_edited=”on|tablet” text_line_height_tablet=”0.2em” text_line_height_phone=”0.2em” text_line_height_last_edited=”on|phone” module_alignment_tablet=”center” module_alignment_phone=”center” module_alignment_last_edited=”on|phone” border_radii=”on|15px|15px|15px|15px” global_colors_info=”{}”]<\/p>\n
6<\/p>\n
[\/et_pb_text][et_pb_text content_tablet=”<\/p>\n
PROJECT DURATION<\/p>\n
” content_phone=”<\/p>\n
PROJECT DURATION<\/p>\n
” content_last_edited=”on|phone” _builder_version=”4.27.5″ _module_preset=”default” text_font=”IBM Plex sans|600|||||||” text_text_color=”#6941EB” text_font_size=”20px” text_letter_spacing=”3px” custom_margin=”22px||13px||false|false” text_font_size_tablet=”22px” text_font_size_phone=”20px” text_font_size_last_edited=”on|phone” text_line_height_tablet=”” text_line_height_phone=”1.1em” text_line_height_last_edited=”on|phone” locked=”off” global_colors_info=”{}”]<\/p>\n
PROJECT DURATION<\/p>\n
[\/et_pb_text][et_pb_text content_tablet=”<\/p>\n
14 MONTHS<\/p>\n
” content_phone=”<\/p>\n
14 MONTHS<\/p>\n
” content_last_edited=”on|phone” _builder_version=”4.27.5″ _module_preset=”default” text_font=”–et_global_body_font||||||||” text_text_color=”#FFFFFF” text_font_size=”20px” background_color=”#00284B” max_width=”200px” custom_margin_tablet=”||20px||false|false” custom_margin_phone=”||||false|false” custom_margin_last_edited=”on|phone” custom_padding=”10px||10px||false|false” custom_padding_tablet=”20px||20px||false|false” custom_padding_phone=”20px||20px||false|false” custom_padding_last_edited=”on|phone” animation_style=”fade” animation_delay=”300ms” text_font_size_tablet=”20px” text_font_size_phone=”18px” text_font_size_last_edited=”on|tablet” text_line_height_tablet=”0.2em” text_line_height_phone=”0.2em” text_line_height_last_edited=”on|phone” module_alignment_tablet=”center” module_alignment_phone=”center” module_alignment_last_edited=”on|phone” border_radii=”on|15px|15px|15px|15px” global_colors_info=”{}”]<\/p>\n
14 MONTHS<\/p>\n
[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.25.1″ _module_preset=”default” background_color=”#EBF0F5″ custom_padding=”20px|20px|20px|20px|false|false” border_radii=”on|15px|15px|15px|15px” global_colors_info=”{}”][et_pb_text content_tablet=”<\/p>\n
GOALS<\/p>\n
” content_phone=”<\/p>\n
GOALS<\/p>\n
” content_last_edited=”on|phone” _builder_version=”4.27.5″ _module_preset=”default” text_font=”IBM Plex sans|600|||||||” text_text_color=”#6941EB” text_font_size=”20px” text_letter_spacing=”3px” custom_margin=”||13px||false|false” text_font_size_tablet=”22px” text_font_size_phone=”20px” text_font_size_last_edited=”on|phone” text_line_height_tablet=”” text_line_height_phone=”1.1em” text_line_height_last_edited=”on|phone” locked=”off” global_colors_info=”{}”]<\/p>\n
GOALS<\/p>\n
[\/et_pb_text][et_pb_text content_tablet=”Simultaneously observe changes in the concentration and isotopic composition of atmospheric oxygen (\u03b418O) in a controlled environment and quantify the isotopic fractionation of oxygen associated with biological processes in order to reconstruct past changes in biosphere productivity from gas samples measured in ice cores.” content_phone=”Simultaneously observe changes in the concentration and isotopic composition of atmospheric oxygen (\u03b418O) in a controlled environment and quantify the isotopic fractionation of oxygen associated with biological processes in order to reconstruct past changes in biosphere productivity from gas samples measured in ice cores.” content_last_edited=”on|phone” _builder_version=”4.27.5″ _module_preset=”default” text_font=”IBM Plex sans|300|||||||” text_font_size=”16px” custom_margin=”4px||||false|false” locked=”off” global_colors_info=”{}”]Simultaneously observe changes in the concentration and isotopic composition of atmospheric oxygen (\u03b418O) in a controlled environment and quantify the isotopic fractionation of oxygen associated with biological processes in order to reconstruct past changes in biosphere productivity from gas samples measured in ice cores.[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.26.0″ _module_preset=”default” locked=”off” global_colors_info=”{}”][et_pb_row _builder_version=”4.26.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.26.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.5″ _module_preset=”default” text_font=”IBM Plex sans|600||on|||||” text_text_color=”#6941EB” text_font_size=”20px” text_letter_spacing=”3px” text_orientation=”center” width=”65%” module_alignment=”center” custom_margin=”||||false|false” custom_padding=”||||false|false” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n
Continuously and simultaneously measure the concentration and isotopic composition of oxygen in the air; perform measurements in a closed system of a small ecosystem (soil and plant).<\/p>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”3_5,2_5″ module_class=”flex” _builder_version=”4.27.4″ _module_preset=”default” locked=”off” global_colors_info=”{}”][et_pb_column type=”3_5″ _builder_version=”4.27.3″ _module_preset=”default” global_colors_info=”{}”][et_pb_slider arrows_custom_color=”#6941EB” module_class=”flex” _builder_version=”4.27.3″ _module_preset=”default” header_text_color=”RGBA(255,255,255,0)” background_color=”RGBA(255,255,255,0)” width=”100%” max_width=”100%” content_max_width=”100%” min_height=”600px” max_height=”600px” custom_margin=”0px|0px|0px|0px|true|true” custom_padding=”0px|0px|0px|0px|true|true” global_colors_info=”{}”][et_pb_slide image=”https:\/\/ecotron.cnrs.dev-djaka.fr\/wp-content\/uploads\/2025\/01\/ICORDA1-scaled.webp” _builder_version=”4.27.3″ _module_preset=”default” background_color=”RGBA(255,255,255,0)” background_enable_color=”on” transform_translate=”0px|-21px” custom_padding=”0px|0px|0px|0px|false|false” global_colors_info=”{}” sticky_transition=”on”][\/et_pb_slide][et_pb_slide image=”https:\/\/ecotron.cnrs.dev-djaka.fr\/wp-content\/uploads\/2025\/01\/ICORDA2-scaled.webp” _builder_version=”4.27.3″ _module_preset=”default” global_colors_info=”{}” sticky_transition=”on”][\/et_pb_slide][et_pb_slide image=”https:\/\/ecotron.cnrs.dev-djaka.fr\/wp-content\/uploads\/2025\/01\/ICORDA3-scaled.webp” _builder_version=”4.27.3″ _module_preset=”default” global_colors_info=”{}” sticky_transition=”on”][\/et_pb_slide][et_pb_slide image=”https:\/\/ecotron.cnrs.dev-djaka.fr\/wp-content\/uploads\/2025\/01\/ICORDA4-scaled.webp” _builder_version=”4.27.3″ _module_preset=”default” global_colors_info=”{}” sticky_transition=”on”][\/et_pb_slide][et_pb_slide image=”https:\/\/ecotron.cnrs.dev-djaka.fr\/wp-content\/uploads\/2025\/01\/ICORDA5-scaled.webp” _builder_version=”4.27.3″ _module_preset=”default” global_colors_info=”{}” sticky_transition=”on”][\/et_pb_slide][et_pb_slide image=”https:\/\/ecotron.cnrs.dev-djaka.fr\/wp-content\/uploads\/2025\/01\/ICORDA6-scaled.webp” _builder_version=”4.27.3″ _module_preset=”default” global_colors_info=”{}” sticky_transition=”on”][\/et_pb_slide][et_pb_slide image=”https:\/\/ecotron.cnrs.dev-djaka.fr\/wp-content\/uploads\/2025\/01\/ICORDA7-scaled.webp” _builder_version=”4.27.3″ _module_preset=”default” global_colors_info=”{}” sticky_transition=”on”][\/et_pb_slide][et_pb_slide image=”https:\/\/ecotron.cnrs.dev-djaka.fr\/wp-content\/uploads\/2025\/01\/ICORDA8-scaled.webp” _builder_version=”4.27.3″ _module_preset=”default” global_colors_info=”{}” sticky_transition=”on”][\/et_pb_slide][et_pb_slide image=”https:\/\/ecotron.cnrs.dev-djaka.fr\/wp-content\/uploads\/2025\/01\/ICORDA9.webp” _builder_version=”4.27.3″ _module_preset=”default” global_colors_info=”{}” sticky_transition=”on”][\/et_pb_slide][et_pb_slide image=”https:\/\/ecotron.cnrs.dev-djaka.fr\/wp-content\/uploads\/2025\/01\/ICORDA10.webp” _builder_version=”4.27.3″ _module_preset=”default” global_colors_info=”{}” sticky_transition=”on”][\/et_pb_slide][\/et_pb_slider][\/et_pb_column][et_pb_column type=”2_5″ _builder_version=”4.27.3″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.5″ _module_preset=”default” text_font=”satoshi complete|600|||||||” text_text_color=”#FFFFFF” text_font_size=”16px” header_3_font=”IBM Plex sans||||||||” header_3_text_color=”#FFEB6E” header_3_font_size=”20px” background_color=”#00284B” custom_margin=”||30px||false|false” custom_padding=”20px|20px|20px|20px|true|true” hover_enabled=”0″ text_font_size_tablet=”22px” text_font_size_phone=”20px” text_font_size_last_edited=”on|phone” text_line_height_tablet=”” text_line_height_phone=”1.1em” text_line_height_last_edited=”on|phone” border_radii=”on|20px|20px|20px|20px” locked=”off” global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n
Amaelle Landais, Cl\u00e9mence Paul, Joana Sauze, Cl\u00e9ment Piel, Sebastien Devidal, Alexadru Milcu.<\/p>\n
[\/et_pb_text][et_pb_text _builder_version=”4.27.5″ _module_preset=”default” text_font=”satoshi complete|600|||||||” text_text_color=”#FFFFFF” text_font_size=”16px” header_3_font=”IBM Plex sans||||||||” header_3_text_color=”#FFEB6E” header_3_font_size=”20px” background_color=”#00284B” custom_margin=”||30px||false|false” custom_padding=”20px|20px|20px|20px|true|true” hover_enabled=”0″ text_font_size_tablet=”22px” text_font_size_phone=”20px” text_font_size_last_edited=”on|phone” text_line_height_tablet=”” text_line_height_phone=”1.1em” text_line_height_last_edited=”on|phone” border_radii=”on|20px|20px|20px|20px” locked=”off” global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n
Piel, C. et al. High-precision oxygen isotope ( \u03b418 O) measurements of atmospheric dioxygen using optical-feedback cavity-enhanced absorption spectroscopy (OF-CEAS). Atmos. Meas. Tech. 17, 6647\u20136658 (2024). <\/p>\n
See<\/a><\/p>\n Paul, C. et al. A multiplexing system for quantifying oxygen fractionation factors in closed chambers. EGUsphere (2024). <\/p>\n