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        <datestamp>2026-09-30T13:58:25Z</datestamp>
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          <dc:title>数据与代码</dc:title>
          <dc:creator>Xiaoyong Zhang (20550482)</dc:creator>
          <dc:subject>Climate change processes</dc:subject>
          <dc:subject>Carbon sequestration science</dc:subject>
          <dc:subject>Ecological impacts of climate change and ecological adaptation</dc:subject>
          <dc:subject>phenology alteration</dc:subject>
          <dc:subject>GPP</dc:subject>
          <dc:subject>peak-productivity</dc:subject>
          <dc:subject>Asymmetric productivity responses</dc:subject>
          <dc:description>&lt;p dir="ltr"&gt;陆地碳吸收对气候变异高度敏感，但生长季节中最高产期的碳吸收是否在季节最高峰之前或之后被抵消，尚不清楚。我们利用基于物候学的框架，在1982年至2018年北纬30°以北的北半球植被中展示了，峰值阶段的碳损失通常不会在同一生长季节内完全补偿。在高峰损失事件中，64.4%导致加重季节性损失，14.5%表现出部分补偿，只有21.1%实现了完全补偿。基于自身碳吸收物候的通量塔观测重现了这一模式，加剧的季节性损失仍占主导地位。峰值阶段的损失与干旱状况的关联最为密切，而早期和晚期的响应则显示出不同植被类型间明显的气候关联。这些结果表明，季节性碳汇稳定性取决于碳损失在季节性生产力最大值前后如何重新分配。&lt;/p&gt;</dc:description>
          <dc:date>2026-09-30T13:58:25Z</dc:date>
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          <dc:identifier>10.6084/m9.figshare.32936768.v2</dc:identifier>
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