Discipline

Global Earthquake Daily Distribution Map Service

map service

2021-02-08

Brief introduction: Daily global earthquake events are shown in a world map directly. Multiple servers are used to acquire data fr...
Rainstorm intensity calculation for 5 minutes of rainfall, EIA calculation

rainfall minutes

2020-11-11

App description The formula for calculating the intensity of rainstorm over 5 minutes of rainfall: $$ i= \frac { A1(1 + c lg{P})}{...
One-dimensional steady-state model of river: online calculation of cross-section pollutant concentration, EIA calculation

cross-section concentration

2020-11-06

App Description One-dimensional steady-state model of river: calculation formula for cross-section pollutant concentration $$ c=c ...
Topographic map framing number query and browse online tools

query browse

2020-11-06

Instructions for use An online query tool developed for topographic map framing standards. At present, the query of the new versio...
EIA: online calculation tool for coal dust emission

coal dust

2020-11-06

App Description EIA: Calculation formula for dust generation of coal piles: This calculation algorithm uses the mode of Tsinghua U...
Solar height angle, solar azimuth online calculator

solar height angle solar azimuth

2020-11-06

Instructions for use This application is often encountered in geography. The function of online calculation [solar altitude ] (/wi...
GPS, longitude, latitude, distance online calculator

longitude latitude

2020-10-15

App Description The earth equator wraps around the earth for a total of 40075.04 kilometers, while @ a circle is divided into 360...
Online calculation tool for spherical distance between two points on the earth

earth distance

2020-08-19

On the equator of the earth, it takes a circle of 40075.04 kilometers around the earth, and @ circle is divided into 360°. And eve...
Online calculation of dew point temperature and saturated vapor pressure

dew point temperature saturated vapor pressure

2020-08-12

Dew point temperature and saturated vapor pressure online calculator software This calculator calculates the relative humidity of ...
Online calculation of critical oxygen deficit model, EIA calculation

critical oxygen deficit model

2020-08-12

App description The calculation formula of the critical oxygen deficit model: $ L=L_0exp(-k_dt) $ \( O=O_s - \frac {k_dL_0}{k_a-...