CASA-TRANSCOM GPP, NPP, Rh, Ra, soilC NACP Randerson et al. (1997) CLM-CASA GPP, NPP, Rh, Ra, soil C NACP Randerson et al. (2009) CLM4-CN GPP, NPP, Rh, Ra, soil C NACP & TRENDY Thornton et al. (2007) DLEM GPP, NPP, Ra, Rh, SoilC NACP Tian et al. (2010) HYLAND...
GPP (gross primary productivity) 总初级生产力.单位时间内生物通过光合作用途径所固定的光合产物量或有机碳总量,又称总第一性生产力或总生态系统生产力(GEP),是生态系统C循环的基础. NPP (net primary productivity) 净初级生产力 植物光合作用所固定的光合产物中扣除植物自身的饥凳滑呼吸消耗部分,也称第一性生产...
datatime-seriesparallelizationglobalnppdata-wranglingphotosynthesisbiomassgppnepgridded-datascientific-modelling UpdatedFeb 26, 2021 R Level 4 evapotranspiration (ET), evaporative stress index (ESI) and water use efficiency (WUE) evapotranspirationremote-sensinggpp ...
1MODIS GPP\NPP (500m) MODIS GPP\NPP数据是目前使用最广泛的数据集,该数据集已完成产品与地面参考点的比较验证,并提供14个数据类别可供用户下载。 名称类型分辨率合成方式来源 其中,Terra卫星的观测数据即MOD数据,aqua卫星观测数据为MYD数据,Terra是于当地的上午10:30过境,auqa是于当地下午1:30过境。A2是GPP数据...
该数据集对碳循环各组成部分的不确定性进行了估算,包括:土壤碳储量、自养呼吸(Ra)、异养呼吸(Rh)、净生态系统交换(NEE)、净初级生产力(NPP)和总初级生产力(GPP)。不确定性是根据陆地大气碳交换净值趋势计划(TRENDY)和北美碳计划(NACP)区域综合模式输出平均到年度平均值的多模式(n = 20)差异(即标准偏差)计算得...
该数据集对碳循环各组成部分的不确定性进行了估算,包括:土壤碳储量、自养呼吸(Ra)、异养呼吸(Rh)、净生态系统交换(NEE)、净初级生产力(NPP)和总初级生产力(GPP)。不确定性是根据陆地大气碳交换净值趋势计划(TRENDY)和北美碳计划(NACP)区域综合模式输出平均到年度平均值的多模式(n = 20)差异(即标准偏差)计算得...
in Fenno-Scandia as a case study, we investigate whether net primary production (NPP) and maintenance respiration are constant fractions of gross primary production (GPP) as even-aged mono-specific stands progress from initiation to old age. A model of the ratio of NPP to GPP ...
A light use efficiency (LUE) type model named EST_PP to simulate the yearly gross primary production (GPP) and net primary production (NPP) of Estonian land on a 1 km2 grid is described. The model is based on MERIS (MEdium Resolution Imaging Spectrometer) satellite images to describe the ...
植被指数(NDVI)数据是地理遥感生态网推出的生态环境类系列数据产品之一。它通过计算近红外与红波段的值,能够反映出植物冠层的背景影响和植被覆盖度。NDVI的值域在-1到1之间,负值表示地面覆盖为云、水、雪等,对可见光高反射;0表示有岩石或裸土等,NIR和R近似相等;正值,表示有植被覆盖,且随覆盖度...
Slight decrease in GPP in the later growth stage occurs and NPP decreases more significantly. The heterotrophic respiration undergoes a surge immediately after burning and then remains relatively stable during the forest regrowth. Consequently,... C Yue,P Cadule,P Ciais,... 被引量: 0发表: 2012...