Introduction

Motivation:

SIF linear operator


Extending BFAS with SIF


BFAS-SIF GPP/Reco correction coefficients and resulting budgets


IFS CO2 experiments

IFS CO2 experiments have been performed  with resolution tco399 (~25km) L137.

Experiment IDDescriptionPeriod
h7f5

Control

with standard BFAS

2015
h821

BFAS-SIF extension

with SIF-GPP climatology

2015

Impact of BFAS-SIF on NEE/GPP/Reco seasonal cycle, synoptic variability and diurnal cycle

FLUXNET    FLUXCOM    CTESSEL_orig   CTESSEL_bfas(dash)   CTESSEL_bfas_sif    PYVAR18  PYVARFT19

FLUXNET Site

Seasonal cycle

(weekly mean fluxes)

Synoptic variability

(daily mean fluxes)

Diurnal cycle

(hourly fluxes)

SE-Nor



















Impact of BFAS-SIF on CO2 seasonal cycle, synoptic variability and diurnal cycle

Site

Seasonal cycle

(daily mean CO2)

Synoptic variability

(daily mean CO2)

Diurnal cycle

(hourly CO2)

LEF

Park Falls  (USA)

WBI

(USA)


NOR

Norunda (Sweden)


BIR

(Norway)

HUN

(Hungary)










Impact of BFAS-SIF on CO2 synoptic variability


Impact of BFAS-SIF on CO2 diurnal cycle


Testing impact of inter-annual variability