296 lines
7.4 KiB
Plaintext
296 lines
7.4 KiB
Plaintext
<ul class="nav nav-tabs">
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<li class="active"><a data-toggle="tab" href="#home">评估结果</a></li>
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<li><a data-toggle="tab" href="#menu1">技术规范</a></li>
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<li><a data-toggle="tab" href="#menu2">数据源</a></li>
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</ul>
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<div class="tab-content">
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<div id="home" class="tab-pane fade in active">
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<div class="text_cell_render rendered_html" tabindex="-1">
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<h2 class="text-center">表1 植被覆盖度平均值和倾斜率统计表</h2>
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<table>
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<tbody>
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<tr>
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<th rowspan="2">区域</th>
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<th colspan="2">背景年~基准年</th>
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<th colspan="2">基准年~评估年</th>
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<th colspan="2">两个时段平均值</th>
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</tr>
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<tr>
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<td>平均值(%)</td>
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<td>倾斜率</td>
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<td>平均值(%)</td>
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<td>倾斜率</td>
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<td>平均值(%)</td>
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<td>倾斜率</td>
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</tr>
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<tr>
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<td>评价区域1</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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</tr>
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<tr>
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<td>评价区域2</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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</tr>
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</tbody>
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</table>
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<h2 class="text-center">表2 植被净初级生产力(NPP)平均值和倾斜率统计表</h2>
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<table>
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<tbody>
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<tr>
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<th rowspan="2">区域</th>
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<th colspan="2">背景年~基准年</th>
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<th colspan="2">基准年~评估年</th>
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<th colspan="2">两个时段平均值</th>
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</tr>
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<tr>
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<td>平均值</td>
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<td>倾斜率</td>
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<td>平均值</td>
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<td>倾斜率</td>
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<td>平均值</td>
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<td>倾斜率</td>
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</tr>
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<tr>
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<td>评价区域1</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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</tr>
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<tr>
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<td>评价区域2</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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</tr>
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</tbody>
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</table>
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<h2 class="text-center">表3 植被生物量平均值和倾斜率统计值</h2>
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<table>
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<tbody>
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<tr>
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<th rowspan="2">区域</th>
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<th colspan="2">背景年~基准年</th>
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<th colspan="2">基准年~评估年</th>
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<th colspan="2">两个时段平均值</th>
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</tr>
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<tr>
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<td>平均值</td>
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<td>倾斜率</td>
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<td>平均值</td>
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<td>倾斜率</td>
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<td>平均值</td>
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<td>倾斜率</td>
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</tr>
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<tr>
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<td>评价区域1</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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</tr>
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<tr>
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<td>评价区域2</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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<td>-</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div id="menu1" class="tab-pane fade">
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<div class="text_cell_render rendered_html" tabindex="-1">
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<h2 class="text-center">表1 基于制备覆盖度、NPP和生物量的生态系统质量变化分类判断</h2>
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<table>
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<tbody>
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<tr>
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<th>类别</th>
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<th colspan="9">
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<div align="center">判别等级</div>
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</th>
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</tr>
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<tr>
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<td>变化率(%)</td>
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<td><-10</td>
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<td>-10~-5</td>
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<td>-5~-1</td>
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<td>-1~-0.1</td>
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<td>-0.1~0.1</td>
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<td>0.1~1</td>
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<td>1~5</td>
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<td>5~10</td>
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<td>≥10</td>
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</tr>
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<tr>
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<td>变化程度</td>
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<td>显著转差</td>
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<td>明显转差</td>
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<td>较明显转差</td>
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<td>微弱转差</td>
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<td>基本不变</td>
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<td>微弱转好</td>
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<td>较明显转好</td>
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<td>明显转好</td>
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<td>显著转好</td>
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</tr>
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<tr>
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<td>归一化值</td>
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<td>1</td>
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<td>2</td>
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<td>3</td>
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<td>4</td>
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<td>5</td>
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<td>6</td>
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<td>7</td>
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<td>8</td>
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<td>9</td>
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</tr>
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</tbody>
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</table>
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<h2 class="text-center">表2 植被状况变化指数（VCCI）</h2>
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<div align="center">VCCI=0.4VCC<sub>VC</sub>+0.3VCC<sub>NPP</sub>+0.3VCC<sub>VB</sub></div>
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式中:
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<p></p>
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<ul>
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<li>VCCI--植被状况变化指数</li>
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<li>VCC<sub>VC</sub>--植被覆盖变化的归一化值;</li>
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<li>VCC<sub>NPP</sub>--植被经初级生产力变化的归一化值;</li>
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<li>VCC<sub>VB</sub>--植被生物量变化的归一化值</li>
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</ul>
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<h2 class="text-center">表3 基于植被状况变化指数的生态系统质量变化评价</h2>
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<table>
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<tbody>
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<tr>
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<th>类别</th>
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<th colspan="9">
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<div align="center">判别等级</div>
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</th>
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</tr>
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<tr>
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<td>VCCI</td>
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<td>1</td>
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<td>2</td>
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<td>3</td>
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<td>4</td>
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<td>5</td>
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<td>6</td>
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<td>7</td>
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<td>8</td>
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<td>9</td>
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</tr>
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<tr>
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<td>评价结果</td>
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<td>显著转差</td>
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<td>明显转差</td>
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<td>较明显转差</td>
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<td>微弱转差</td>
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<td>基本不变</td>
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<td>微弱转好</td>
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<td>较明显转好</td>
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<td>明显转好</td>
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<td>显著转好</td>
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</tr>
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</tbody>
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</table>
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<h2 class="text-center">表4 植被覆盖度计算方法</h2>
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<p></p>
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<div align="center"><img src="/images/ei/FC.PNG" alt=""></div>
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式中:<p></p>
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<ul>
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<li>F<sub>c</sub>--植被覆盖度(%)</li>
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<li>NDVI<sub>min</sub>--无植被覆盖像元的NDVI值;</li>
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<li>NDIV<sub>max</sub>--完全被植被覆盖像元的NDVI值;</li>
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</ul>
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<h2 class="text-center">表5 植被净初级生产力计算方法</h2>
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<p>采用改进的GLOPEM估算方法：</p>
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<p></p>
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<div align="center">NPP=GPP-R<sub>a</sub></div>
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<p></p>
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<p></p>
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<div align="center">GPP=APAR×ε</div>
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<p></p>
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<p></p>
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<div align="center">APAR=FPAR×PAR</div>
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<p></p>
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<p></p>
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<div align="center">ε=ε×σ<sub>T</sub>×σ<sub>E</sub>×σ<sub>S</sub></div>
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式中:<p></p>
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<ul>
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<li>NPP--植被净初级生产力(gC/m<sup>2</sup>a<sup>-1</sup>);</li>
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<li>GPP--总初级生产力(gC/m<sup>2</sup>a<sup>-1</sup>);</li>
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<li>R<sub>a</sub>--植被自养呼吸(gC/m<sup>2</sup>a<sup>-1</sup>);</li>
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<li>APAR--植被吸收的光合有效辐射(MJ/m<sup>2</sup>a<sup>-1</sup>);</li>
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<li>FPAR--植被吸收光合有效辐射比率;</li>
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<li>PAR--光合有效辐射(MJ/m<sup>2</sup>a<sup>-1</sup>);</li>
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<li>ε--植被潜在光能利用率(MJ/m<sup>2</sup>a<sup>-1</sup>);</li>
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<li>σ<sub>T</sub>--空气温度缺失对植被生长的影响系数;</li>
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<li>σ<sub>E</sub>--空气湿度缺失对植被生长的影响系数;</li>
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<li>σ<sub>S</sub>--土壤水分缺失对植被生长的影响系数;</li>
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</ul>
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<p></p>
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<div align="center">植被净初级生产力估算模型GLOPEM参数设置及计算方法</div>
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<p></p>
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<table>
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<tbody>
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<tr>
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<th>序号</th>
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<th>参数(PAR)</th>
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<th>计算公式与参数设置</th>
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</tr>
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<tr>
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<td>1</td>
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<td>光合有效辐射(PAR)</td>
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<td>P24页</td>
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</tr>
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<tr>
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<td>2</td>
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<td>空气温度对植物生长的影响系数(σ<sub>T</sub>)</td>
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<td>P25页</td>
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</tr>
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<tr>
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<td>3</td>
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<td>空气湿度对植物生长的影响系数(σ<sub>E</sub>)</td>
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<td>P25页</td>
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</tr>
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<tr>
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<td>4</td>
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<td>土壤水分缺失对植被生长的影响系数(σ<sub>S</sub>)</td>
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<td>P25页</td>
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</tr>
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<tr>
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<td>5</td>
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<td>自养呼吸</td>
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<td>P25页</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div id="menu2" class="tab-pane fade">
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<h4>数据源</h4>
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</div>
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</div> |