Advances in Meteorology / 2017 / Article / Tab 4

Research Article

The High Order Conservative Method for the Parameters Estimation in a PM2.5 Transport Adjoint Model

Table 4

The MAEs statistics before and after assimilation, with 37 observation points.

ExperimentJ300/ (μg/m3) (μg/m3) (10−6μg/m3/s)
BeforeAfterBeforeAfterBeforeAfter

Cressman28.300.856.331.803.161.21
PPM 28.300.586.331.703.161.15
PPM 28.300.516.331.273.160.93

is the final value of cost function and is the initial value of cost function. and are the MAEs between simulated values and observations in “assimilated cities” and “checked cities,” respectively. is the MAEs between the observations and simulated results in all the cities at the initial time.

We are committed to sharing findings related to COVID-19 as quickly as possible. We will be providing unlimited waivers of publication charges for accepted research articles as well as case reports and case series related to COVID-19. Review articles are excluded from this waiver policy. Sign up here as a reviewer to help fast-track new submissions.