Figure 1

Figure 2
![Meteorological conditions and water temperature in Goczałkowice Reservoir in analysed period [based on archival data of the ZiZOZap project].](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/647269d0215d2f6c89dc7232/j_oszn-2018-0005_fig_002.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIA6AP2G7AKBKNVUCUH%2F20260121%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260121T205252Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEAUaDGV1LWNlbnRyYWwtMSJHMEUCIE9tQI3UqZYC8hJIj%2BtBGtIy8FeCEP6MTZlwYFxjcacyAiEAga688a83TR5%2F%2FDHdsWui2T6WqWKYD4s9m22I8xWm%2BwIqxgUIzv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARACGgw5NjMxMzQyODk5NDAiDGZOMzf4BTSXYRM4fCqaBYOommIqKdGoUEKZDnP5YtSfXqIy4UrUnoqEX7f9%2FBix21q1WcW0gbaCe0dmQX43ebB7Jv86PIUw2vCKm7Z6Ja3Rr0d2jhpVN%2FQGxW39h9PqI9p1fSBFcAuKI5dEfrmBbORQkCjcPOlAacoLQ%2BXbfKKrbUqHR4EAz7IcWf9UDnCEISNy%2FP6Vr1XP7EaKSmUk%2BUpvNLukWsRyHAYMV0Vel%2BW9sc9dJ4hfMD%2FRgvpnOcGqSxsbnk10r2kWJWEY0WM%2BoStHF5AaYNQahA3E3%2BjYkiVeobMfgKGMe0U9TwspTBL1pBCKtpvU%2B13LDZuzFxCsfi55msiowxuSgYnzJQ8ryMq76qYz3aFA252koHaCSeyewa%2FL5Qu50O5%2FOIV3yTf4w2qTr1UlrsNxpS%2BKf765eVyrZ2y7ktGt%2F2Luqa4gxaTIbG9cmspBD0b5Z%2F1sQ8z7yCyAQAZaiylOGrw6wrMCyAyZ7pqMe%2BXKmN%2Ft1D4AUn9JOSQJ3BGWwvRCo%2FFl7HrvYF8ME%2F1000gv1wXfoh%2FeESgJzGAuy7wOkFugCJ6%2B0edNSjodgg0eba3LamLhwkhrXjKd0Dtv%2BqDbSUfCrtsBlEZ0hK8YK43CuA%2BJOatz%2BIfRdUJ2JFlffdJOlCO0nVgaQTTZEsDkM0S9R1MHHcJ31nVvasZ2VuvE5UrZ56TYYSkWRkU3H2YUhh8G79NnnKe4h6eyrWARM%2Fo1J%2BRaph%2FtoCNU%2FWDcFYentKBPCmgocQKm7AtDH8YeQgkI85K%2BfkVTHyCyRYlrg0o65oTaW8KbPJgA2bTwzNm701htUS73e3BnTLZmC5Y3WFtVTCXnzSv9kDNF0iUOj47yggm%2BBtzSZu7tovwpYTsk8JqDZwJlT%2FLqYFDVrYN0YUuqmDCc8sTLBjqxAeOrpW41Huyf2KInGgsksbpA1AGDuDBTWrRFQ68iKgKPICVfkRY9OYVe2XVQQAtX5JMrGAfL2cchSFZ4d1GYwS6vtIiNaZpQkZAMP%2Bh4KHzyzfCq%2FNWB5FfXbca9KstectYmvAcmrBwkDFaCLrMIawPNRnOOGxP3CHIpnbJ%2FRQ46tD2DlWtWP3JZ8a%2B7bTn1Tl3JaxEhnlnFlu65XgsKI7Czx8cLwWJ%2Fy21DfnYyOQ7sfA%3D%3D&X-Amz-Signature=6b3e943f61e69dd23de508a648d4c24ce8e3caa9c774fe158435a47460146606&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Figure 3

Figure 4
![Model calibration results (grey: range of modelled temperatures ELCOM, black: observed temperatures) [observations based on archival data of the ZiZOZap project]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/647269d0215d2f6c89dc7232/j_oszn-2018-0005_fig_004.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIA6AP2G7AKBKNVUCUH%2F20260121%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260121T205252Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEAUaDGV1LWNlbnRyYWwtMSJHMEUCIE9tQI3UqZYC8hJIj%2BtBGtIy8FeCEP6MTZlwYFxjcacyAiEAga688a83TR5%2F%2FDHdsWui2T6WqWKYD4s9m22I8xWm%2BwIqxgUIzv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARACGgw5NjMxMzQyODk5NDAiDGZOMzf4BTSXYRM4fCqaBYOommIqKdGoUEKZDnP5YtSfXqIy4UrUnoqEX7f9%2FBix21q1WcW0gbaCe0dmQX43ebB7Jv86PIUw2vCKm7Z6Ja3Rr0d2jhpVN%2FQGxW39h9PqI9p1fSBFcAuKI5dEfrmBbORQkCjcPOlAacoLQ%2BXbfKKrbUqHR4EAz7IcWf9UDnCEISNy%2FP6Vr1XP7EaKSmUk%2BUpvNLukWsRyHAYMV0Vel%2BW9sc9dJ4hfMD%2FRgvpnOcGqSxsbnk10r2kWJWEY0WM%2BoStHF5AaYNQahA3E3%2BjYkiVeobMfgKGMe0U9TwspTBL1pBCKtpvU%2B13LDZuzFxCsfi55msiowxuSgYnzJQ8ryMq76qYz3aFA252koHaCSeyewa%2FL5Qu50O5%2FOIV3yTf4w2qTr1UlrsNxpS%2BKf765eVyrZ2y7ktGt%2F2Luqa4gxaTIbG9cmspBD0b5Z%2F1sQ8z7yCyAQAZaiylOGrw6wrMCyAyZ7pqMe%2BXKmN%2Ft1D4AUn9JOSQJ3BGWwvRCo%2FFl7HrvYF8ME%2F1000gv1wXfoh%2FeESgJzGAuy7wOkFugCJ6%2B0edNSjodgg0eba3LamLhwkhrXjKd0Dtv%2BqDbSUfCrtsBlEZ0hK8YK43CuA%2BJOatz%2BIfRdUJ2JFlffdJOlCO0nVgaQTTZEsDkM0S9R1MHHcJ31nVvasZ2VuvE5UrZ56TYYSkWRkU3H2YUhh8G79NnnKe4h6eyrWARM%2Fo1J%2BRaph%2FtoCNU%2FWDcFYentKBPCmgocQKm7AtDH8YeQgkI85K%2BfkVTHyCyRYlrg0o65oTaW8KbPJgA2bTwzNm701htUS73e3BnTLZmC5Y3WFtVTCXnzSv9kDNF0iUOj47yggm%2BBtzSZu7tovwpYTsk8JqDZwJlT%2FLqYFDVrYN0YUuqmDCc8sTLBjqxAeOrpW41Huyf2KInGgsksbpA1AGDuDBTWrRFQ68iKgKPICVfkRY9OYVe2XVQQAtX5JMrGAfL2cchSFZ4d1GYwS6vtIiNaZpQkZAMP%2Bh4KHzyzfCq%2FNWB5FfXbca9KstectYmvAcmrBwkDFaCLrMIawPNRnOOGxP3CHIpnbJ%2FRQ46tD2DlWtWP3JZ8a%2B7bTn1Tl3JaxEhnlnFlu65XgsKI7Czx8cLwWJ%2Fy21DfnYyOQ7sfA%3D%3D&X-Amz-Signature=49db4c1f78118dd396ae2acfb3b2277906d203416190073d076d1b0ac7f19ac3&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Figure 5
![Comparison of modelled (ELCOM) and observed temperatures in the water column before and after calibration [observations based on archival data of the ZiZOZap project]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/647269d0215d2f6c89dc7232/j_oszn-2018-0005_fig_005.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIA6AP2G7AKBKNVUCUH%2F20260121%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260121T205252Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEAUaDGV1LWNlbnRyYWwtMSJHMEUCIE9tQI3UqZYC8hJIj%2BtBGtIy8FeCEP6MTZlwYFxjcacyAiEAga688a83TR5%2F%2FDHdsWui2T6WqWKYD4s9m22I8xWm%2BwIqxgUIzv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARACGgw5NjMxMzQyODk5NDAiDGZOMzf4BTSXYRM4fCqaBYOommIqKdGoUEKZDnP5YtSfXqIy4UrUnoqEX7f9%2FBix21q1WcW0gbaCe0dmQX43ebB7Jv86PIUw2vCKm7Z6Ja3Rr0d2jhpVN%2FQGxW39h9PqI9p1fSBFcAuKI5dEfrmBbORQkCjcPOlAacoLQ%2BXbfKKrbUqHR4EAz7IcWf9UDnCEISNy%2FP6Vr1XP7EaKSmUk%2BUpvNLukWsRyHAYMV0Vel%2BW9sc9dJ4hfMD%2FRgvpnOcGqSxsbnk10r2kWJWEY0WM%2BoStHF5AaYNQahA3E3%2BjYkiVeobMfgKGMe0U9TwspTBL1pBCKtpvU%2B13LDZuzFxCsfi55msiowxuSgYnzJQ8ryMq76qYz3aFA252koHaCSeyewa%2FL5Qu50O5%2FOIV3yTf4w2qTr1UlrsNxpS%2BKf765eVyrZ2y7ktGt%2F2Luqa4gxaTIbG9cmspBD0b5Z%2F1sQ8z7yCyAQAZaiylOGrw6wrMCyAyZ7pqMe%2BXKmN%2Ft1D4AUn9JOSQJ3BGWwvRCo%2FFl7HrvYF8ME%2F1000gv1wXfoh%2FeESgJzGAuy7wOkFugCJ6%2B0edNSjodgg0eba3LamLhwkhrXjKd0Dtv%2BqDbSUfCrtsBlEZ0hK8YK43CuA%2BJOatz%2BIfRdUJ2JFlffdJOlCO0nVgaQTTZEsDkM0S9R1MHHcJ31nVvasZ2VuvE5UrZ56TYYSkWRkU3H2YUhh8G79NnnKe4h6eyrWARM%2Fo1J%2BRaph%2FtoCNU%2FWDcFYentKBPCmgocQKm7AtDH8YeQgkI85K%2BfkVTHyCyRYlrg0o65oTaW8KbPJgA2bTwzNm701htUS73e3BnTLZmC5Y3WFtVTCXnzSv9kDNF0iUOj47yggm%2BBtzSZu7tovwpYTsk8JqDZwJlT%2FLqYFDVrYN0YUuqmDCc8sTLBjqxAeOrpW41Huyf2KInGgsksbpA1AGDuDBTWrRFQ68iKgKPICVfkRY9OYVe2XVQQAtX5JMrGAfL2cchSFZ4d1GYwS6vtIiNaZpQkZAMP%2Bh4KHzyzfCq%2FNWB5FfXbca9KstectYmvAcmrBwkDFaCLrMIawPNRnOOGxP3CHIpnbJ%2FRQ46tD2DlWtWP3JZ8a%2B7bTn1Tl3JaxEhnlnFlu65XgsKI7Czx8cLwWJ%2Fy21DfnYyOQ7sfA%3D%3D&X-Amz-Signature=156f73f15719f406651763358823b0ff7edef335d56d9e34fa8c2923f725ebbf&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Figure 6

Figure 7
![Comparison of temperature difference in water profile ΔT (ELCOM model) and observed concentration of ChlA [observations based on archival data of the ZiZOZap project]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/647269d0215d2f6c89dc7232/j_oszn-2018-0005_fig_007.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIA6AP2G7AKBKNVUCUH%2F20260121%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260121T205252Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEAUaDGV1LWNlbnRyYWwtMSJHMEUCIE9tQI3UqZYC8hJIj%2BtBGtIy8FeCEP6MTZlwYFxjcacyAiEAga688a83TR5%2F%2FDHdsWui2T6WqWKYD4s9m22I8xWm%2BwIqxgUIzv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARACGgw5NjMxMzQyODk5NDAiDGZOMzf4BTSXYRM4fCqaBYOommIqKdGoUEKZDnP5YtSfXqIy4UrUnoqEX7f9%2FBix21q1WcW0gbaCe0dmQX43ebB7Jv86PIUw2vCKm7Z6Ja3Rr0d2jhpVN%2FQGxW39h9PqI9p1fSBFcAuKI5dEfrmBbORQkCjcPOlAacoLQ%2BXbfKKrbUqHR4EAz7IcWf9UDnCEISNy%2FP6Vr1XP7EaKSmUk%2BUpvNLukWsRyHAYMV0Vel%2BW9sc9dJ4hfMD%2FRgvpnOcGqSxsbnk10r2kWJWEY0WM%2BoStHF5AaYNQahA3E3%2BjYkiVeobMfgKGMe0U9TwspTBL1pBCKtpvU%2B13LDZuzFxCsfi55msiowxuSgYnzJQ8ryMq76qYz3aFA252koHaCSeyewa%2FL5Qu50O5%2FOIV3yTf4w2qTr1UlrsNxpS%2BKf765eVyrZ2y7ktGt%2F2Luqa4gxaTIbG9cmspBD0b5Z%2F1sQ8z7yCyAQAZaiylOGrw6wrMCyAyZ7pqMe%2BXKmN%2Ft1D4AUn9JOSQJ3BGWwvRCo%2FFl7HrvYF8ME%2F1000gv1wXfoh%2FeESgJzGAuy7wOkFugCJ6%2B0edNSjodgg0eba3LamLhwkhrXjKd0Dtv%2BqDbSUfCrtsBlEZ0hK8YK43CuA%2BJOatz%2BIfRdUJ2JFlffdJOlCO0nVgaQTTZEsDkM0S9R1MHHcJ31nVvasZ2VuvE5UrZ56TYYSkWRkU3H2YUhh8G79NnnKe4h6eyrWARM%2Fo1J%2BRaph%2FtoCNU%2FWDcFYentKBPCmgocQKm7AtDH8YeQgkI85K%2BfkVTHyCyRYlrg0o65oTaW8KbPJgA2bTwzNm701htUS73e3BnTLZmC5Y3WFtVTCXnzSv9kDNF0iUOj47yggm%2BBtzSZu7tovwpYTsk8JqDZwJlT%2FLqYFDVrYN0YUuqmDCc8sTLBjqxAeOrpW41Huyf2KInGgsksbpA1AGDuDBTWrRFQ68iKgKPICVfkRY9OYVe2XVQQAtX5JMrGAfL2cchSFZ4d1GYwS6vtIiNaZpQkZAMP%2Bh4KHzyzfCq%2FNWB5FfXbca9KstectYmvAcmrBwkDFaCLrMIawPNRnOOGxP3CHIpnbJ%2FRQ46tD2DlWtWP3JZ8a%2B7bTn1Tl3JaxEhnlnFlu65XgsKI7Czx8cLwWJ%2Fy21DfnYyOQ7sfA%3D%3D&X-Amz-Signature=71bc3fb7e62fcea07376fb2dc581065aa1d5a9028bbab1db6dce8e8aca004a5e&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Parameters used in ELCOM model_
| Parameter | Value |
|---|---|
| Mean albedo of the water for shortwave radiation | 0.08 |
| Mean albedo of the water for long wave radiation | 0.03 |
| Drag coefficient on bottom cells | 0.005 |
| Initial wind speed for domain | 0 m/s |
| Initial water temperature for domain | 11.4°C |
| Light extinction coefficients for shortwave radiation bands used to calculate the shortwave penetration: | |
| 0.2-0.4 m–1 |
| 1 m–1 |
| 1-1.8 m–1 |
| 2.5-2.8 m–1 |
| Sediments reflectivity | 0.9 |
| Surface heat transfer coefficient | 0.0013-0.0015 |